YOUNGSTOWN, Ohio, April 27 — The man who would be president takes peanut butter and jelly sandwiches — on whole wheat, strawberry jelly preferred to grape — twice a day on the campaign trail. He wears $15 reading glasses, off the rack at CVS. Before bedtime, he starts but rarely finishes movies like "Seabiscuit" and "The Blues Brothers" in his hotel suite. Come morning, he leaves $20 for the maid. Voters do not learn these tidbits about Senator John Kerry, the all-but-crowned Democratic nominee for president, from his campaign Web site, his public speeches or his television advertisements. These and...