Until a few weeks ago, the biggest worry for executives at Air America was what to do about the liberal radio network's alarmingly low ratings. Launched amid much hype on March 31, 2004, Air America, with Al Franken, Janeane Garofalo, Randi Rhodes, and a host of other anti-Bush personalities at the microphone, has, with the exception of a few cities, had great difficulty finding an audience. Even in New York, where the network's true-blue message should be welcome, its daily average ratings are actually lower than those of the Caribbean talk-and-music station it replaced a year and a half ago...