It did happen, and I saw it. Donald Trump is telling the truth about Muslims celebrating in New Jersey on September 11, 2001. I drove with family members though Patterson, N.J. that morning, after the planes hit. It's not the kind of thing you forget. We witnessed people in traditional Muslim garb dancing, jumping, shouting and celebrating like their team had won the Super Bowl, just as Trump said. "I watched when the World Trade Center came tumbling down," Trump said Saturday. "And I watched in Jersey City, N.J., where thousands and thousands of people were cheering as that building...