By RICARDO ALONSO-ZALDIVAR 2010-08-28T20:07:13Z WASHINGTON (AP) -- They've lived with the health warnings about smoking for much of their lives and doubtless seen the ill effects on friends, relatives and even themselves, yet about 4.5 million older people in the U.S. keep on lighting up. Medicare is finally catching up to most private insurers by providing counseling for anyone on the program who's trying to kick the habit....