Did taxpayers foot the bill for Rep. Vito Fossella's hanky panky with Lt. Col. Laura Fay?

That's what Citizens for Responsibility and Ethics in Washington wants the House ethics committee to investigate:

CREW's request asks the ethics committee to focus on Fossella's official travel, some of which occurred with Fay when she was an Air Force liaison to Congress, and to look into whether Fossella essentially took advantage of such travel to foster an illicit relationship with Fay.

You can read the complaint here (.pdf).