There's probably no house more famous for the bad behavior of its denizens than the U.S. House of Representatives. For twelve years, Democrats squirmed under the heel of the Republican majority. Since the 2006 elections, though, they're giving back a bit of what they got, while the new GOP minority complains in a very familiar way. It's the age-old, unwinnable fight: "Who started it?" Producer Alex Blumberg talks to both sides. (13 minutes)