MIAMI, FL - MARCH 09:  Democratic presidential candidate Senator Bernie Sanders (D-VT) and Democratic presidential candidate Hillary Clinton shake hands on stage before the Univision News and Washington Post Democratic Presidential Primary Debate at the Miami Dade College's Kendall Campus on March 9, 2016 in Miami, Florida. Voters in Florida will go to the polls March 15th for the state's primary.  (Photo by Joe Raedle/Getty Images)