Trump's tweets receive backlash as Puerto Rico reels from Maria
President Trump tweeted that FEMA, the U.S. military and first responders in Puerto Rico forever - while clean drinking water and food is scarce while a significant portion of the island is without power. CBS News correspondent David Begnaud visited a hospital that is trying to treat patients while it runs on a diesel-powered generator. He joins CBSN to discuss the public health crisis looming 22 days after Maria hit.