Overview: This trip, Guy's slammin' on the breaks for some enticing eats. In Chicago, the authentic Cuban joint platin' up family recipes like the fricase de pollo. In Memphis, a neighborhood gastropub serving eclectic dishes like duck fried rice and homemade popcorn. And in Annapolis, Md., the sidewalk shack worth stopping for, with dishes like chipotle habanero barbecue pork sandwiches.