Serena Williams rebounded from the worst beating of her professional career to rout Eugenie Bouchard 6-1, 6-1 at the WTA Finals on Thursday, yet her title defense remain in the balance. Williams was humbled by Simona Halep the previous day, when the 18-time Grand Slam champion won only two games. Read more http://espn.go.com/tennis/story/_/id/11748780/serena-williams-rebounds-loss-rout-eugenie-bouchard