(Reuters) - Tiger Woods posted a video of himself swinging a golf club on Wednesday in an effort to shoot down recent reports that suggested he had endured setbacks in his recovery from back surgeries. In a 13-second video posted on his Twitter account, Woods is seen hitting a nine-iron to the green on a 153-yard par-three hole on an indoor golf simulator, seemingly without discomfort. "Progressing nicely," the 14-times major champion, who has not competed since last August, wrote in the tweet. ... More...