LOS ANGELES (Reuters) – Grammy-winning country music singer Randy Travis is still in critical condition following emergency surgery earlier this week, after suffering a stroke in a Texas hospital, his spokesman said on Friday. "Mr. Randy Travis has been under heavy sedation since he came out of surgery late Wednesday night, July 10th, and is resting comfortably. He is still in critical condition," Travis' publicist Kirt Webster said in a statement. Travis, 54, underwent a procedure to relieve pressure on the brain at the Heart Hospital Baylor Plano, located north of Dallas, on Wednesday. …