Capitol Hill (CNSNews.com) - The ranking Republican on a Senate Judiciary subcommittee responsible for oversight of the Immigration and Naturalization Service is questioning that agency's decision to discipline two Border Patrol agents for publicly pointing out security weaknesses along the U.S. border with Canada. "As a longtime advocate for whistleblowers, I am shocked and angry about the INS Border Patrol's retaliation against Border Patrol agents Mark Hall and Robert Lindemann," Sen. Chuck Grassley (R-Iowa) said in a letter to INS Commissioner James Ziglar Friday. "Based on this situation, it appears that some managers at the INS and Border Patrol...