Toilet-less astronauts experienced a minor delay getting back to Earth
                                
                                
                                    (Newser) -
                                    Update: Following a brief delay, a SpaceX crew of four astronauts returned to Earth Monday, the  AP  reports. Their capsule streaked through the late night sky like a dazzling meteor before parachuting into the Gulf of Mexico off the coast of Pensacola, Florida. Recovery boats quickly moved in with spotlights,...