Yum CEO on Taco Bell’s Success: ‘There’s No Silver Bullet’

Photo Caption: Taco Bell's Nacho Fries, a break-out hit for the brand.  

Yum! Brands reported another quarter of overall positive same-store sales growth and system-wide revenue growth on Thursday, capping off what has been a widely successful fiscal year for the company. Both KFC and Taco Bell posted quarterly same-store sales growth, while Pizza Hut's same-store sales were