What to see
Of the four best shows in town, three are closing this weekend. You only have till Sunday to catch the intriguing Persian Quarter up at Merrimack Rep, a pitch-perfect revival of The King and I over at the North Shore, and John Guare's hilarious pastiche of The Front Page and His Girl Friday down at Trinity. Yes, I know, they're all a bit out of town, but trust me, they're worth the trip. And re…