reign in the attendees at his events, informing them of the correct way to handle protesters in a rally in iowa last friday. >> if a protester starts demonstrating in the area around you, please do not touch or harm the protester. this is a peaceful rally. in order to notify the law enforcement officers of the location of the protester. please hold a rally sign over your head and start chanting, trump, trump, trump. >> last night in las vegas, after protesters interrupted several times, some attendees started screaming and shoving. one heckler was taken away, one person could be heard saying, kick his bleep pleep, light him on fire and someone fired a nazi salute.