Aaron Moselle reports on Roosevelt Elementary’s plan to encourage a positive academic environment through positive reinforcement. Zack Seward reports from the Devon Horse show, which features a new twist this year: kids riding Shetland ponies. Dave Heller speaks with Franklin Institute Chief Astronomer Derrick Pitts about the use of solar winds for space craft propulsion in this week’s Skytalk. In this week’s Centre Square Commentary, Chris Satullo is done buying any excuses for bad voter turnout. Kevin McCorry heads to Ocean City, New Jersey to take in the sights and sounds of Memorial Day.