So now there's a karaoke booth at Intercontinental Airport. According to the Houston Chronicle, travelers can choose from "hundreds of titles."We got to wondering this morning about what's in their song selections there and more to the point -- what isn't.We imagine that the management of IAH's karaoke bar had to have studied the infamous September 2001 Clear Channel memorandum of songs with "questionable" lyrics, some of which concerned aerial death and disaster. If they did, they would know to