NEW YORK, NY - JUNE 20: (L to R) Chelsea Clinton, holding her newborn son Aidan, Marc Mezvinsky, former President Bill Clinton, and Democratic Presidential candidate Hillary Clinton exit Lenox Hill Hospital, June 20, 2016 in New York City. Chelsea Clinton gave birth to Aidan, her second child, on Saturday. (Photo by Drew Angerer/Getty Images)
Chelsea Clinton Leaves Hospital After Birth Of Her Son
NEW YORK, NY - JUNE 20: (L to R) Chelsea Clinton, holding her newborn son Aidan, Marc Mezvinsky, former President Bill Clinton, and Democratic Presidential candidate Hillary Clinton exit Lenox Hill Hospital, June 20, 2016 in New York City. Chelsea Clinton gave birth to Aidan, her second child, on Saturday. (Photo by Drew Angerer/Getty Images)
Chelsea Clinton Leaves Hospital After Birth Of Her Son
NEW YORK, NY - JUNE 20: (L to R) Former President Bill Clinton, Marc Mezvinsky, Chelsea Clinton, holding her newborn son Aidan, and Democratic Presidential candidate Hillary Clinton exit Lenox Hill Hospital, June 20, 2016 in New York City. Chelsea Clinton gave birth to Aidan, her second child, on Saturday. (Photo by Drew Angerer/Getty Images)
Chelsea Clinton Leaves Hospital After Birth Of Her Son
NEW YORK, NY - JUNE 20: (L to R) Chelsea Clinton, holding her newborn son Aidan, Marc Mezvinsky, former President Bill Clinton, and Democratic Presidential candidate Hillary Clinton exit Lenox Hill Hospital, June 20, 2016 in New York City. Chelsea Clinton gave birth to Aidan, her second child, on Saturday. (Photo by Drew Angerer/Getty Images)
Chelsea Clinton Leaves Hospital After Birth Of Her Son
NEW YORK, NY - JUNE 20: (L to R) Chelsea Clinton, holding her newborn son Aidan, Marc Mezvinsky, former President Bill Clinton, and Democratic Presidential candidate Hillary Clinton exit Lenox Hill Hospital, June 20, 2016 in New York City. Chelsea Clinton gave birth to Aidan, her second child, on Saturday. (Photo by Drew Angerer/Getty Images)
Chelsea Clinton Leaves Hospital After Birth Of Her Son
NEW YORK, NY - JUNE 20: (L to R) Marc Mezvinsky, Chelsea Clinton, holding her newborn son Aidan, and Democratic Presidential candidate Hillary Clinton exit Lenox Hill Hospital, June 20, 2016 in New York City. Chelsea Clinton gave birth to Aidan, her second child, on Saturday. (Photo by Drew Angerer/Getty Images)
Chelsea Clinton Leaves Hospital After Birth Of Her Son
NEW YORK, NY - JUNE 20: (L to R) Former President Bill Clinton, Marc Mezvinsky, Chelsea Clinton, holding her newborn son Aidan, and Democratic Presidential candidate Hillary Clinton exit Lenox Hill Hospital, June 20, 2016 in New York City. Chelsea Clinton gave birth to Aidan, her second child, on Saturday. (Photo by Drew Angerer/Getty Images)
Chelsea Clinton Leaves Hospital After Birth Of Her Son
NEW YORK, NY - JUNE 20: (L to R) Former President Bill Clinton, Marc Mezvinsky, Chelsea Clinton, holding her newborn son Aidan, and Democratic Presidential candidate Hillary Clinton exit Lenox Hill Hospital, June 20, 2016 in New York City. Chelsea Clinton gave birth to Aidan, her second child, on Saturday. (Photo by Drew Angerer/Getty Images)
Chelsea Clinton Leaves Hospital After Birth Of Her Son
NEW YORK, NY - JUNE 20: (L to R) Marc Mezvinsky, Chelsea Clinton, holding her newborn son Aidan, former President Bill Clinton, and Democratic Presidential candidate Hillary Clinton exit Lenox Hill Hospital, June 20, 2016 in New York City. Chelsea Clinton gave birth to Aidan, her second child, on Saturday. (Photo by Drew Angerer/Getty Images)
Chelsea Clinton Leaves Hospital After Birth Of Her Son
NEW YORK, NY - JUNE 20: (L to R) Former President Bill Clinton, Marc Mezvinsky, Chelsea Clinton, holding her newborn son Aidan, and Democratic Presidential candidate Hillary Clinton exit Lenox Hill Hospital, June 20, 2016 in New York City. Chelsea Clinton gave birth to Aidan, her second child, on Saturday. (Photo by Drew Angerer/Getty Images)