Mary Bilyeu | ContributorA nice Jewish boy named Joel Goldberg wrote to me last year: "I don't know if you go back in Ann Arbor this far — but a bunch of us were sitting around at Erev Rosh Hashonah dinner last night, picking at a Zingerman's challah, when I realized it had been years since I'd tasted my all-time favorite Challah: the whole wheat, sweetened-with-apple-juice version made by Wildflour Bakery, next to (People's Food Co-op) on North Fourth.