The new sandwiches replace the Angus Third-Pounder, which will be phased out of menus.

Researchers say there is much room for improvement in nutritional quality of fast-food.

Company plans to improve the guest experience and build value for shareholders.

Former Nestle executive assumes new post in July.

Penegor will succeed Steve Hare, who is retiring from the quick-service restaurant chain.

The menu includes items approved by the national Kids LiveWell initiative.