GOP pins Jimmy Carter on Barack Obama By: Glenn Thrush September 13, 2012 06:39 PM EDT When the going gets tough, Republicans get Jimmy Carter. Republicans and their surrogates spent much of Thursday pinning the Carter kick-me sign on Barack Obama, portraying the current commander-in-chief as a Carter-esque wimp unwilling to challenge Islamist militants raging outside U.S. consular buildings in Libya, Yemen and Cairo. Crazy-gluing the 44th president to the 39th has been a favorite Republican pastime for years. Carter is the brand name for fecklessness, indecision and weakness in the Oval Office. But up until now Mitt Romney, running...