ABOARD THAI AIRWAYS TO LOS ANGELES - John Mark Karr, the suspect in the death of 6-year-old JonBenet Ramsey, sipped champagne and ate fried king prawns in business class Sunday after being put aboard a flight to Los Angeles to face charges in the United States. As Karr wined and dined in style and chatted with the three U.S. officials escorting him, another bombshell emerged: Reports that Karr sought treatment at a Thai sex-change clinic. His Thai Airways International flight took off about 8 p.m. (9 a.m. EDT) for the 15-hour flight to Los Angeles. Karr's journey will eventually end...