Joni Ernst was choking on her food until physician-senator intervened
                                
                                
                                    (Newser) -
                                    A Republican Senate luncheon turned dramatic on Thursday when Sen. Joni Ernst began choking on her food. Kentucky Sen. Rand Paul, a physician, came to the rescue, using the Heimlich maneuver to save his Iowa colleague,  USA Today  reports. The luncheon took place behind closed doors, but senators announced the...