As federal investigations continue around him, pressure is increasing on Rep. John Murtha (D-PA), including a call for him to quit his post atop the powerful House Defense Appropriations panel. Federal investigators are reportedly probing at least four organizations whose financial livelihoods have been closely tied to Murtha. Murtha has not been named as a target of any of the probes, although his name has come up in interviews with the investigators, according to sources and news reports.
