It Happened on Medium

1. In celebration of the 100th birthday of the National Parks Service, The White House photographer Pete Souza shares a photo essay of the President’s memorable visits to national parks.

2. Sen. Chuck Grassley answers a few questions regarding his review into the EpiPen pricing hike.

3. In a four-part series, the U.S. Dept. of Education shares the story of 17-year-old Justin Mesteth, who recently started his first week at Wesleyan University in Connecticut, and the adults who helped raised him on Pine Ridge Reservation.

4. Rep. Gus Bilirakis calls for a “simpler, fairer and flatter” tax code that will…