Since its founding 14 years ago, Lululemon has grown steadily alongside the yoga boom, selling pricey gear designed to stretch and support during downward dog and warrior pose.

WSJ: Dueling Yoga Pants: Lululemon Takes Calvin Klein to Court

Perhaps just the reverse, given that Mr Gore, to distance himself from Mr Clinton, has chosen to bash big business and to pose as a class-warrior.

ECONOMIST: Crunch time