New York Times, 03 Dec 2011 - PHOENIX - Border Patrol agents pursue smugglers one moment and sit around in boredom the next. It was during one of the lulls that Bryan Gonzalez, a young agent, made some comments to a colleague that cost him his career. Looking for signs of smugglers near Nogales, Ariz., alongside the fence that now marks part of the nation's border with Mexico.