Late Saturday morning, the T.S.A. had not yet included this new information on its own Web site.???Among other things,??? the statement in Air Canada???s Web site read, ???during the final hour of flight customers must remain seated, will not be allowed to access carry-on baggage, or have personal belongings or other items on their laps.???The suspect, identified as Abdul Farouk Abdulmutallab, 23,