The chairman of the Philadelphia 2016 Host Committee for this summer’s Democratic National Convention said supporters of presidential candidate Bernie SandersBernie SandersSanders calls for renewed focus on fighting climate change Maher on Obama speaking fee: Isn’t that what cost Clinton the election? NRA head: Sanders 'a political predator' MORE have to “behave themselves” when the Vermont senator loses the nomination.
“I think it’s gonna be a great convention, but of course the key to it is the Sanders people. Bernie’s gonna have his name placed in nomination; we’re gonna have a roll call; there’s gonna be a demonstration in support of Bernie; he’s gonna lose the roll call,” he said. “His supporters have to behave and not cause trouble. And I think they will, and I think Sen. Sanders will send them a strong message.”
Sanders is trailing Democratic front-runner Hillary ClintonHillary Rodham ClintonSamantha Bee roasts Trump at mock correspondents' dinner Dems seeing big increase in midterm House candidates When it comes to Israel, Trump’s first 100 days were one big fail MORE by 774 total delegates. Clinton is just 155 delegates from clinching the nomination.
--This report was updated at 11:22 a.m.