NEW YORK -- A construction worker has filed a lawsuit claiming that when he went to a hospital after being hit on the forehead by a falling wooden beam, emergency room staffers forcibly gave him a rectal examination.Brian Persaud, 38, said in court papers that after he denied a request by NewYork-Presbyterian Hospital emergency room employees to examine his rectum, he was "assaulted, battered and falsely imprisoned."His lawyer, Gerrard M. Marrone, said Tuesday that his client was injured while working at a construction site in midtown Manhattan on May 20, 2003, and at the hospital later he got eight stitches...