Katie Spotz becomes youngest to make trek solo
                                
                                
                                    (Newser) -
                                    Katie Spotz isn't the first to cross the Atlantic, but even Christopher Columbus didn't have to row his boat. The 22-year-old Ohio native yesterday landed in Guyana, reports the  New York Times , becoming the youngest person to make the 2,817-mile rowboat trip solo—an odyssey that took her 70...