Republican decides to avoid potential 2014 primary challenge
                                
                                
                                    (Newser) -
                                    Saxby Chambliss will announce today that he doesn't intend to run for re-election when his Senate term ends in 2014, sources tell the  Atlanta Journal-Constitution . Chambliss reportedly told his senior staff about the decision this morning. Chambliss was considered one of the Republicans most ripe for a  primary challenge...