Posse members Jim Rossman & Gary Jacobson head up the line at Killen’s BBQ. (Photo ©Daniel Goncalves/fotobia.com) In our recent travels to Houston, part of the scheduling involved knowing that two joints – Killen’s and CorkScrew – were places that would require a wait in a pretty lengthy line. We hit CorkScrew BBQ in  Friday for lunch and did the same Saturday at Killen’s. Each place opens at 11am. I volunteered to be the line sitter each morning, arriving at 8:30 a.m. each day to secure the first spot in line. Note to our fellow line-waiters – I was alone…