In a clear sign that Jeb Bush is going to be keeping the GOP base at arm's length in the coming presidential campaign, the former Florida governor turned down an invite to attend an immigration summit sponsored by Iowa congressman Steve King. The Hill: The Washington Post first reported on Wednesday that Bush had declined the invitation to the summit, which will feature a host of other potential GOP presidential contenders, including Gov. Chris Christie (N.J.), Sen. Ted Cruz (Texas), Gov. Rick Perry (Texas), former Arkansas Gov. Mike Huckabee, and Dr. Ben Carson.   The summit in the early-voting state is a rite of passage for many Republican candidates seeking to shore up their support among the conservative base. Bush’s absence could fuel attacks against the governor from some on the right who say he’s too moderate to make it through the Republican primaries.   Bush has said that a candidate has to be willing to “lose the...(Read Full Post)