Despite being the number one fast-food chain serving up Mexican-style items like tacos and burritos, Taco Bell Corp. in 2001 had an image in need of a boost and sales that were in a steady decline. A ...

Taco Bell stopped asking its legions of fans to “think outside the bun” in 2012 — they’ve been dutifully living más since — but the earlier edict still resonates. In the most recent ...