That was Homeland Security Secretary Janet Napolitano, announcing a higher level of government action.

VOA: special.2010.05.01

And with this low level power as we'll see, as I hinted before, comes a lot of fun, interesting, scary security implications.

我之前提到过，就是这么点权限，也能带来很多乐趣，还有一些安全方面的东西。

哈佛公开课 - 计算机科学课程节选

U.S.Ambassador to the United Nations, Susan Rice told reporters on Wednesday that the highlight of the U.S.presidency will be a summit-level Security Council meeting on nuclear non-proliferation.

VOA: standard.2009.09.02

Ambassador Rice said she expects a large number, if not all, of the 15 Security Council members to be represented at the head of state or government level.

VOA: standard.2009.09.02

"He wants to have a thorough discussion with the president and the rest of the national security team about whether that does remain the best way to pursue our enemies in Afghanistan, and ultimately bring a level of peace and security there, so that it no longer poses a threat to us,"

VOA: standard.2009.10.01