Sláinte (Baltimore, Md.) • Soup Nation (Eugene, Ore.) • Phở Lang Thang (Cincinnati, Ohio)This trip, Guy's fillin' up on some serious soup. In Baltimore, an authentic Irish pub servin' up seafood gumbo and a corned beef and cabbage twist. In Oregon, a college-town joint dishin' out 80 kinds of soup, from Middle Eastern lamb to Peruvian pork and quinoa. And in Cincinnati, a Vietnamese spot in the Findlay Market crankin' out phenomenal phở and turnin' bánh mì on its head.