FRIDAY, MAY 29 ■ Bright Venus and Jupiter are putting on a sky drama. Watch them in the west each nightfall as they pull closer together. The king of the gods and the goddess of love, are they eyeing each other? Tonight they're 11° apart. They will close to 1.8° apart on June 8th and 1.6° at their conjunction on the 9th (for the Americas), then pass each other by. Meanwhile quick Mercury, way down to their lower right, is heading their way as if to join them. But it will change its mind and drop back in weeks to come. Above all three twinkle Pollux and Castor as background spectators, tiny by comparison. ■ Vega, the Summer Star, shines as the brightest point in the east-northeast after dark. It's currently the top star of the big Summer Triangle. Look lower left of it by two fists at arm's length for Deneb. Lower right of Vega by three fists is Altair, finally coming up almost due east. Vega in Lyra is the brightest star of the Summer Triangle.…