Olympic hopefuls and others join to sing the praises of PowerBar in a $10 million TV effort from Wieden & Kennedy, Portland, Ore. Among those featured in the spot are Jason Kidd and Brandi Chastain (l. photo) and Lenny Krayzelberg and Dan O'Brien (r. photo). The commercial, titled "PowerBar Anthem," kicks off June 24 and runs through September during Olympic trials. The advertising hawks PowerBar's status as the official nutritional energy bar supplier of the U.S. Olympic Team. Copywriter: Brant Mau. Art directors: Andy Gray, Tim Hanrahan.