Fit vs. Fat: Which fast food chain will prevail?

Friday, 27 Sep 2013 | 3:36 PM ET

While McDonald's is promoting healthier foods, Jack in the Box is rolling out the Stacked Grilled Cheeseburger. CNBC's Jane Wells has the story. And Justin Wilson, Center for Consumer Freedom, and Meme Roth, National Action Against Obesity, discuss if the fast food consumer will have a bigger appetite for salads or cheeseburgers.