For Air America Radio, it's officially fade-to-black in the Valley of the Sun. Roll the end credits, please. After months of speculation and an ownership change, KXXT-AM's fate is finally clear: its future lies in religious programming, not liberal talk radio. Could a format flip be any more dramatic? Especially strange were the station's continued assertions they weren't sure what would happen, even as hosts on conservative competitor KFYI-AM repeatedly declared it ready for the dust bin.......... ................snip......................