It’s All Good Bakery in Oakland is a simple red-and-white storefront, serving up such treats as sweet potato pie, 7-Up pound cake, fruit cobblers, and banana pudding. Along with baked goods, the bakery also displays a wall of photographs and periodical covers devoted to the history of the Black Panther Party. The tribute is only appropriate. On January 2, 1967, the site where the bakery now sits became the first official office of the Black Panthers. In fact, the bakery is just one of several other historical Black Panther sites in…