How Bernie Sanders supporters shut down a Donald Trump rally in Chicago
Trump supporter outside UIC
Man Arrested at Trump Rally After Allegedly Rushing Stage
Sanders: My supporters are not to blame for violence at Trump rally
Trump has lit a fire. Can it be contained?
Donald Trump's ideology of violence
John Lewis to Trump: ‘Have you no decency, sir?’
Cincy Trump rally canceled; clash at Chicago event
Trump blames Sanders for chaos at his rallies
Donald Trump Rally In Chicago Canceled After Protesters Turn Out In Droves
CBS News journalist caught in turmoil at canceled Donald Trump rally
Trump on rally shutdown: ‘What ever happened to freedom of speech?’
Cruz Takes Delegates in Wyoming, and Rubio Wins in Washington, D.C.
America's most awkward primary