As I entered B.J.’s Sports Pub (9615 Southwest Fwy., 713-272-6849) on a rainy Monday night, I spied all the essentials of a good-time neighborhood hang-out: shuffleboard, pool, darts, friendly regulars and a horseshoe-shaped bar with Roseanna holding court. Places like B.J.’s don’t have specialty drinks, so I settled in with…