Leland Melvin is the astronaut in that fabulous NASA photo with his two dogs. He is an engineer and former NASA education leader, and the author of 'Chasing Space: An Astronaut's Story of Grit, Grace, and Second Chances.' He shared this essay with friends today, and I thought you'd like to read it, too.—XJ To … Continue reading 'To Donald Trump,' by Leland Melvin, former NASA Astronaut and NFL Player