The Rotunda of the U.S. Capitol on Capitol Hill in Washington, DC. (PHOTO CREDIT: KAREN BLEIER/AFP/Getty Images) FROM CNN's Jack Cafferty: The Democrats may be in for some trouble come next year's midterm elections. A new Gallup poll shows 46 percent of registered voters say they would vote for the Democrat in their congressional district … Continue reading How bad will 2010 midterm elections be for Democrats?