An anonymous reader writes "A Senate science subcommittee clashed with NASA's chief on Wednesday, saying the agency and the White House lacked a clear vision and goal for the program. Skeptical senators told the space agency that it should not just talk about plans, but set out to do something specific. Lawmakers expressed a bipartisan opposition to the agency's plans and the initiatives of the Obama White House." Updated 23:13 GMT by timothy:
Reader Trent Waddington contributes this video link to the hearing
, if you want to come to your own conclusions.