A supporter for former Democratic presidential candidate, Sen. Bernie Sanders, holds up a sign during the first day of the Democratic National Convention in Philadelphia on Monday.
A supporter for former Democratic presidential candidate, Sen. Bernie Sanders, holds up a sign during the first day of the Democratic National Convention in Philadelphia on Monday. Matt Rourke AP
A supporter for former Democratic presidential candidate, Sen. Bernie Sanders, holds up a sign during the first day of the Democratic National Convention in Philadelphia on Monday. Matt Rourke AP

Sanders backers waver at Clinton endorsement; Illinois delegates say DNC head needed to resign

July 25, 2016 7:51 PM