The Big To-Do List–Scientific Challenges Facing the Next President

This month marks the 50th anniversary of NASA, which was launched a year after the Soviet Union lofted Sputnik into orbit, a feat that threatened to accelerate the communist rival’s lead over the U.S. in spaceflight technology. It’s probably fair to ask whether any U.S. president might once again be in a position to respond to such a huge scientific and technological challenge.