The baffling Drake equation reads: N = R* x Fp x Ne x Fi x Fc x L, and helped pioneering scientist Professor Drake to predict that there could be 10, 000 civilisations in our galaxy.

这一令人费解的“德雷克等式”为N = R* x Fp x Ne x Fi x Fc x L，先驱科学家德雷克教授曾利用该公式作出预测：银河系中可能存在1万种文明。

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Chuck Hagel (R-NE) and Susan Collins (R-ME) say Hayden should be forthcoming in his responses, since the program was begun while Hayden was the head of the NSA. They also urged the Bush administration to do a better job of informing Congress of such programs.

NPR: Lawmakers Seek Details of NSA Phone Project

Chuck Hagel (R-NE), a potential presidential candidate, is offering a resolution opposing "escalation" of the war.

NPR: Senators Air Their Ideas on the Plan for Iraq

Chuck Hagel (R-NE), who supports legislation setting a deadline to bring troops home.

NPR: Petraeus, Crocker Return for Second Round