Sept. 15 (Bloomberg) -- Lawmakers pushed back today against a U.S. presidential panel’s conclusion that NASA can’t afford to return astronauts to the moon by 2020 with a new rocket and spacecraft and should instead consider another plan.

“I’m pretty angry,” said Representative Gabrielle Giffords, an Arizona Democrat who chairs a House space subcommittee. “We’ve been given a set of alternatives that almost look like cartoons.”