Deadbeat hookah bar down by the riverside. For Georgetown, intrepid stab at bohemia. Books galore flung down a long, dark hallway. Backyard patio opens to glass ceilings, sparkling white lights, and lazy cushions for killing time cross-legged. An array of the Arab world circled ‘round bubbling shisha, with little trays of finger food dusted in zaatar. Students smoke and behave, attempt...