Tennis great Serena Williams talks about use of weight loss drug

On the tennis court, Serena Williams obliterated opponents with sheer power, discipline, and mental toughness. >> Come on. >> But after two children and in retirement, this phenomenal athlete says even she couldn't defeat stubborn weight gain on her own.>> I literally tried everything. I mean, running, walking, biking, stair climber, like you name it, I did it. Williams revealing this morning on the Today Show that like millions of Americans, she is taking one of those popular weight loss drugs.>> I thought ...