Donald Trump Jr. stormed out of an event for his book — which attacks the left for stifling open debate — after getting heckled for refusing to do a Q&A

2:32am PST - November 11th, 2019    kimberly guilfoyle - Business Insider

Donald Trump Jr.'s new book, "Triggered: How the Left Thrives on Hate and Wants to Silence Us," accuses the left of censorship and stifling open debate. But during an event for his book at the University of California, Los Angeles, on Sunday, he upset his own…