Article Photos: Thunder chemistry issue has nothing to do with James Harden being in Houston 21/29

Oklahoma City Thunder's Nick Collison (4) and Atlanta Hawk's Zaza Pachulia (27) fight for a rebound as the Oklahoma City Thunder play the Atlanta Hawks in NBA basketball at the Chesapeake Energy Arena in Oklahoma City, on Sunday, Nov. 4, 2012.  Photo by Steve Sisney, The Oklahoman