April 5, 2012 9:16 am Needless Medical Tests Nine medical groups are asking doctors and patients to think twice before ordering dozens of common treatments and practices. US & World Videos 0:48 Interstate 95 in Norwalk closed after crash and fire 0:37 Crash and fire shut down both sides of Interstate 95 in Norwalk 1:36 Arizona Senate repeals 1864 abortion ban 2:15 Heavily-camouflaged minors charged after ‘assassins' game at Old Lyme school 2:40 7th grader brought gun to school in Hartford: police