Amanda McGrory An East Marlborough native and Unionville High School graduate added to her collection of Paralympic medals with a win in the 1,500 meter wheelchair race in Rio De Janiero, Tuesday, as part of a U.S. sweep of the event. Amanda McGrory — who won gold at the Beijing Paralympics in 2008 and competed in London in 2012 — won the race, leading teammates Tatyana McFadded and Chelsea...