Passenger had loaded gun at Orlando airport checkpoint

ORLANDO, Fla. — A passenger tried to bring a loaded gun in a carry-on bag at Orlando International Airport causing a long back-up at checkpoints during the Christmas holiday rush.Transportation Security Administration spokeswoman Tari Koshetz told The Associated Press the passenger was carrying a Ruger with a separate magazine loaded with 10 rounds of .22-caliber ammunition. The incident caused a backup at the busy airport early Tuesday morning.Koshetz says it was the 91st weapon intercept