constituents in seattle were outsz dave reichert's office, hoping for a face-to-face forum. instead, some had a live facebook text. he answered only prescreened questions. >>> on "cbs this morning," we are talking to senator tom cotton who endured a contentious town hall in arkansas this week. >>> the police officer who fired his gun during a scuffle with teens made a big mistake. the trouble began tuesday. the off-duty officer who had problems with kids walking on his lawn grabbed a 13-year-old. he said the teen threatened to shoot him. it was the officer who fired his gun when a number of teens assaulted him. no one was hurt. two teens were arrested. the officer was not. everyone may still face criminal charges. >> as a father and as a a national guard operation. the camp had to be cleared ahead of spring flooding. >>> this morning, we are learning u.s. backed forces gained control of mosul airport. the route began this week controlling the airport and military base next door was critical to retaking the city. the u.n in tiny amounts. it was banned under the chemical weapo