A Typical Day on Weight Watchers! - Lost 146 Pounds and Counting!Oprah Winfreys loss is Weight Watchers shareholders gain.Thats the pattern the New York business has followed over the past 14 months since the media mogul took a 10 percent stake in the weight loss company and joining its board and becoming its dieter-in-chief.On Thursday, Weight Watchers International unveiled a new ad campaign, Live Fully, and dropped some...