Rhong-Tiam fills a deep and dimly lit space in the row of businesses occupying the block of LaGuardia Place between 3rd and Bleecker Streets. By anyone's guess, the decor is a composition of remnants from the previous owner, with black and white striped built-in boat seating lining the north wall, and another dozen or so tables on an elevated platform, bordered by a white fence strung with fake ivy. A magenta scooter sits in......