Oprah Still Putting the O in Obama?

6/20/2008 3:54 PM PDT BY TMZ STAFF
Oprah Winfrey has been more than mum since she first gave Barack Obama her O-stamp of approval in May -- she's been utterly silent, some say because it's bustin' her ratings.

So when we caught up with her BFF Gayle King in New York yesterday, we wondered aloud if she and Oprah had fallen off the Obama-wagon.