As budget debate continues, Bolden says space technology spending safe, Space Politics

"Bolden said he was trying to convince Congress that it's not feasible for NASA to move ahead directly to a 130-metric-ton launch vehicle for the Space Launch System authorized by Congress. "We're not going to build a 130-metric-ton heavy-lift vehicle. We can't," he said. "We continue to negotiate and discuss with the Congress why that is not necessary."