Princeton, New Jersey (CNN) -- Following a traumatic week for the nation in the wake of the Arizona shootings, Congress will get back to business this week. As House Majority Leader Eric Cantor's spokesperson announced, "It is important for Congress to get back to work, and to that end we will resume thoughtful consideration of the health care bill." On Capitol Hill, Republicans find themselves in a position that seemed inconceivable a few years earlier, even to most conservatives. Although Demo...