Potato salad wears many faces: childhood favorite, grocery store deli staple, bland and boring barbecue side, passionately beloved picnic must-have. But if you've been finding yourself falling more on the "bland and boring" side of the potato salad debate, then we've got a recipe for you. That's because potato salad doesn't have to be the same old mayo-drenched mush that you've come to loathe. Giada De Laurentiis, author of Giada's Italy, has a potato salad recipe that actually lets the…