OKLAHOMA CITY — Kobe Bryant, playing despite a sore throat, scored 31 points, Andrew Bynum added 22 points and 10 rebounds and Ron Artest scored 20 points and played superb defense on Kevin Durant as the Lakers defeated the Thunder tonight. Durant scored 28 points on 10-for-19 shooting through three quarters, but with Artest hounding him, he went scoreless on 0-for-5 shooting in the fourth quarter plus overtime.