The Daily Show host Jon Stewart made his Monday night audience erupt with laughter when he mentioned one of Donald Trump’s latest flubs in his failed effort to attack Vice President Kamala Harris. Stewart played a clip of Trump telling reporters during his hourlong press conference last week: “I know [former San Francisco Mayor] Willie Brown very well. In fact, I went down in a helicopter with him. We thought maybe this is the end. We were in a helicopter going to a certain location together. And there was an emergency landing. But he told me terrible things about her.” As The Daily Show crowd…