(SeaTac, WA)  --  Officials say an Alaska Airlines flight bound for Anchorage from Portland was diverted to Seattle when a man aboard the plane tried to kiss a sleeping teenage girl. An airport spokesman says Flight 137 was diverted to Sea-Tac International Airport at two p.m. yesterday.  The spokesman says a 23-year-old man from California is accused of trying to kiss a sleeping 16-year-old girl sitting next to him on the flight.  The man was arrested when the plane landed at Sea-Tac, and the plane continued on to Anchorage.