WCAU June 29, 2018 6:09 pm Wawa Welcome America Goes 4th to Learn Wawa Welcome America continued Friday with events including the technology and science themed Go 4th and Learn at Penn Park. US & World Videos 1:56 Pro-Palestinian encampment at Penn enters ninth day 8:59 Raise a julep to the Kentucky Derby: The Lineup 0:32 Five people arrested in 2006 Philadelphia cold case 0:19 Body of missing kayaker found in the Schuylkill River 2:00 Police officer placed on administrative duty after killing dog that attacked a man