Beds sat empty at Tyler Street United Methodist Church in Dallas. Pots of spaghetti sat uneaten at Houston's Palmer Memorial Episcopal Church. When hurricanes Katrina and Rita swamped the Gulf Coast last year, Texas churches wanted to help, but they didn't know how. So they did what they normally do - have food and shelter ready for whoever needed it. Now many religious leaders acknowledge their response wasn't well-organized. This time, they'll be ready. Katrina hit the Gulf Coast on Aug. 29, sending hundreds of thousands of Louisiana evacuees to Texas. Hurricane Rita slammed southeast Texas and southwest Louisiana just...