David Ovens of Taco Bell talks  to Alexandra Bruell about wellness positioning, multicultural marketing, and online efforts for the brand.

Christine Dougherty's diet messaging campaign led to backlash, but also positive buzz for Taco Bell. How did marketing contribute to that shift in tone?

Ovens: Once the media or public has taken on board the full messaging, people have a better understanding. The second part of this is not a weight-loss conversation; it's providing them with better-for-you choices.

What was PR's ...