Many of us grew up idolizing astronauts as the best of the best that America—and other nations—have to offer. After leaving NASA, many of them go on to relatively routine careers in business or academia, but some stay "on mission" and continue striving to improve the human condition. The 100-plus astronauts behind Astronauts for America, led by Garrett Reisman and Steve Lindsey—a Democrat and Republican—have decided to speak out about their concerns for our democracy. As the nonprofit's website says, "Astronauts For America is a nonpartisan organization of former NASA astronauts who have sworn to defend the Constitution of the United States. We are committed to science, evidence-based decision-making, public service, and the rule of law." Reisman and Lindsey join us for this important episode.…