POSTED: 7:10 am EST November 26, 2005 UPDATED: 12:06 am EST November 28, 2005 CHARLOTTE, N.C. -- FBI investigators said Mark McGovern of Orlando was the unruly passenger who caused a United Airlines flight to be diverted to Charlotte. Authorities said he lit a cigarette, argued with a flight attendant, then urinated in the plane's aisle. McGovern was taken off flight 1502 in Charlotte over the weekend and questioned by police, spokeswoman Robin Urbanski said. The man was "acting extremely inappropriately," Urbanski said. "When you want to run a safe airline, we don't tolerate that type of activity on our...