Now is the best time in the last 30 years for the United States to craft a new vision for its space program, NASA Administrator Sean O’Keefe said this week. O’Keefe, speaking Tuesday in Washington at a Capitol Hill forum organized by the Aerospace States Association (ASA) on the need for a national space vision, said that a confluence of events made today one of the best times since the end of the Apollo program to reshape the nation’s space program.