Judge Judy is stepping away from her longtime television show and calling it quits with CBS -- and TMZ has learned a big reason has to do with a war with the network. Sources familiar with the situation tell us ... Judy and CBS have been feuding for quite some time, and it largely has to do with the former head honcho of the network, Les Moonves, no longer working there. A new regime has taken over ... and we're told they and Judy just haven't been seeing eye-to-eye on a lot of things she and Les were square on.