Congressmen who visit the U.S.-Mexico border unannounced are being monitored by the Department of Homeland Security, and at least one U.S. Customs and Border Protection agent has been suspended for speaking to a congressman without first getting supervisory clearance, according to documents obtained by the Daily Bulletin. Congressional representatives interviewed by the Daily Bulletin said they were unaware until recently that Border Patrol agents were required to file Significant Incident Reports -- normally used for shootings and other serious border incidents -- when congressional representatives made unannounced visits this summer along the U.S.-Mexico border. A second document obtained by the...