EDINBURG — Great coaches can have long lasting impact on the players they coach and the community they live in. One of the nation’s greatest boys’ basketball coaches of all time grew up and coached in the Rio Grande Valley. The Museum of South Texas History presents “Half a Century on the Court: A Conversation with Basketball Coaching Legend Robert Capello,” a Sunday Speaker Series Online program scheduled at 2 p.m. Oct. 18 on Facebook Live. After stints at a few Texas schools, Capello returned to his high school alma mater of Edcouch-Elsa where he coached for more than 30 years.