The White House has also stepped up its efforts to shepherd the bill through the Senate.

白宫也已经加紧努力，游说在参议院通过该法案。

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"There's a debate right now about how to explore space", says astronaut Bill Shepherd, destined to be the first live-board Commander of the ISS.

“目前正在就如何探索太空的问题展开辩论，”宇航员比尔谢泼得如是说。

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"There"s a debate right now about how to explore space" says astronaut Bill Shepherd, destined to be the first live-aboard Commander of the ISS.

“目前正在就如何探索太空的问题展开辩论，”宇航员比尔·谢泼德如是说。他被任命为国际空间站首任驻站指挥官。

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Dodd, who helped shepherd the bill through the Senate, says the companies are "fundamentally sound and strong, " noting that they hold excess capital and that their portfolios are primarily made up of healthy, 30-year fixed-rate loans.

FORBES: Senator Gives Fannie, Freddie Thumbs-Up

An NRA lobbyist, Tara Mica, helped shepherd a model bill that requires voters to show a photo ID at the polls.

CNN: STORY HIGHLIGHTS

They are taking over from Expedition One - American Bill Shepherd and Russians Yuri Gidzenko and Sergei Krikalev - who have been living on the platform for nearly five months.

BBC: Discovery docks with space station