May 25, 2013 12:16 pm The Great Cannonball Debate With D.C.’s public pools opening this weekend, News4’s Tom Sherwood asks the mayoral contenders if any would be bold enough to take a cannonball plunge a la former mayor Anthony Williams Local 1:42 Man dies after crashing into White House security barrier 1:11 Woman found shot to death inside car in Landover 2:14 ‘She loved to laugh': Family of 3-year-old shot, killed in DC asks for justice 1:48 DC police search for gunman who shot and killed 3-year-old child 1:11 What to do if you see a black bear