by greedo

"In startling contrast to the brilliant and continuing success of the robotic Mars exploration program, over the fifteen years since the first publication of this book, NASA's human spaceflight program has made no progress whatsoever. The point requires emphasis. Aside from the information returned by the robots, NASA today is no better prepared to send humans to Mars than it was in 1996."

We need a leader to make this happen. Apollo had Kennedy. We don't.