Woods signals days of being warm and cuddly Tiger are over

(Reuters) - It will be no more mister nice guy when Tiger Woods tees up at the Genesis Open starting at Riviera on Thursday, the 14-times major champion said. After spending the past couple of years more a calm and cuddly mentor than a ruthless competitor as he dealt with a potentially career-ending back injury, Woods is ready to assume his erstwhile role as a steely-eyed assassin. He will play...