Writing in USA Today, Neil Armstrong, Gene Cernan, and Jim Lovell —the first and last men on the moon, and the commanders of Apollo 11, 17, and 13 — highlight another example of President Obama’s lack of faith in American exceptionalism.  In a piece entitled, “Is Obama Grounding JFK’s Space Legacy?” the three astronauts (now 80, 77, and 83 years old) write: