Well there was Donald Trump in Arizona yesterday, whipping up the racist rabble who want him to build a wall along the U.S.-Mexico border.
While his supporters kicked and punched a protester.
Another Donald Trump event erupted in violence in Tucson, Arizona on Saturday night: a rally attendee was arrested after he punched and repeatedly kicked a protester as he was being escorted out of the rally by security.
And Republican leaders scrambled to come up with a strategy to try to derail his campaign.