The U.S. government’s foreign surveillance sweeps up American lawmakers and their staffers so routinely now that Congress is alerted as often as once a month that its employees involved in intercepted conversations have been unmasked and their identities shared with intelligence or law enforcement agencies, Circa has learned. The so-called Gates notifications -- named for former CIA Director Robert Gates -- go to the Gang of Eight leadership team in Congress. 2 of 29 The Gang of Eight includes the House speaker and minority leader, the Senate Republican and Democratic leaders and the bipartisan heads of both chambers' intelligence committees....