NEW YORK, March 14 (UPI) -- Hamish Linklater says that, from a performance standpoint, he didn't feel the weight and tragedy of the scene in his new miniseries Manhunt when his character, Abraham Lincoln, is shot in the head while seeing a play with his wife, Mary, because the real president wasn't aware of what was happening. "I had never seen My American Cousin before. It's creaky and the laugh line, 'You sockdologizing old man trap,' brings the house down and covers John Wilkes Booth's