The U.S. Coast Guard fired on a suspicious boat in the Potomac River in central Washington, D.C., amid high security while September 11 memorial ceremonies were being held nearby at the Pentagon, CNN reported on Friday....
--Coast Guard: 'Routine' training exercise on Potomac...
--Departures from National Airport halted after TV report...
--TALE OF THE TAPE: CNN broadcasts audio of Coast Guard 'speaking to suspicious boat'...
--'Bang, bang, bang'...
--White House slams CNN...
--Gibbs Lectures: 'Check before reporting'...