HOUSTON, TX (WKZO) - The Houston Astros haven't had much luck in any area of the game this season.  The 'Stros are spending their last season in the National League, and apparently decided to take out their frustrations on the Chicago Cubs Monday night at Minute Maid Park.  Three-run home runs by Chris Johnson and Jason Castro paced Houston to an 8-4 win.  Chicago scored its 4 runs in the 9th inning.  Game two of the series is Tuesday night, broadcast time set for 7:30 on 1660 the Fan.