Donald Trump tells ABC's George Stephanopoulos that on the morning of 9/11, Donald Trump watched the twin towers collapse from across the river in Jersey City. "Thousands and thousands of people were cheering as those buildings came down," he said at an event last night. DONALD TRUMP: It did happen, I saw it with my own eyes. There were thousands of people that were cheering, on the other side of the river [in Jersey City]...