Mail and Social Security checks would be OK, and maybe the national parks on a limited basis
                                
                                
                                    (Newser) -
                                    The  looming government shutdown  has had one tangible effect so far: President Trump has put plans for a trip to his Florida Mar-a-Lago resort on hold, reports  NBC News . "The President will not be going to Florida until the CR passes," the White House said, referring to a...