Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Campaign Rally In Louisville, Kentucky
(File/Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Campaign Rally In Louisville, Kentucky
Bernie Sanders (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Campaign Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Campaign Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Campaign Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Campaign Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Campaign Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
GettyImages-527860144
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders addresses the crowd during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Campaign supporters show their support for Democratic presidential candidate Bernie Sanders as he speaks to them during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Campaign supporters show their support for Democratic presidential candidate Bernie Sanders before a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Campaign supporters show their support for Democratic presidential candidate Bernie Sanders as he speaks to them during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Campaign supporters show their support for Democratic presidential candidate Bernie Sanders before a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Campaign supporters show their support for Democratic presidential candidate Bernie Sanders before a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Campaign supporters show their support for Democratic presidential candidate Bernie Sanders before a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Campaign supporters show their support for Democratic presidential candidate Bernie Sanders before a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Campaign supporters show their support for Democratic presidential candidate Bernie Sanders as he speaks to them during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Campaign supporters show their support for Democratic presidential candidate Bernie Sanders as he speaks to them during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Democratic presidential candidate Bernie Sanders shakes hands with campaign supporters after a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Campaign supporters show their support for Democratic presidential candidate Bernie Sanders as he speaks to them during a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Campaign supporters show their support for Democratic presidential candidate Bernie Sanders before a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Supporters for Democratic presidential candidate Bernie Sanders wait for their candidate to arrive for to a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
Bernie Sanders Holds Election Night Rally In Louisville, Kentucky
Supporters for Democratic presidential candidate Bernie Sanders wait for their candidate to arrive for to a campaign rally at the Big Four Lawn park May 3, 2016 in Louisville, Kentucky. Sanders is preparing for Kentucky's May 17th primary. (Photo by John Sommers II/Getty Images)
We and our partners use cookies to understand how you use our site, improve your experience and serve you personalized content and advertising. Read about how we use cookies in our cookie policy and how you can control them by clicking Manage Settings. By continuing to use this site, you accept these cookies.