Based on that information, we took a look at how we would deal with a situation similar to that in the United States, and based on that, we recommended that citizens out to about 50 miles should be evacuated.

WHITEHOUSE: Press Briefing

As unlikely as that might seem based on the financial situation when a spouse dies, who knows what the future holds?

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You should speak with your tax advisor about planning that may be available to you based on your specific situation.

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And that is why there is new information based on a very fluid situation.

WHITEHOUSE: Press Briefing

The CAA said it was a "situation without precedent" and that decisions had been made based on "thorough gathering of data and analysis".

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An insider account of the events in Cairo, published by Foreign Policy Magazine and based on conversations with U.S. Officials close to the situation, reveals that Romney simply had the time-line all wrong.

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The White House said that as the president reassesses the situation in Afghanistan, any decisions will be based on what he thinks is best for national security.

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When the situation was what it was the other day and yesterday, based on the data that the NRC was analyzing, their advice was in agreement with what the Japanese government was saying, and therefore, our advice was the same.

WHITEHOUSE: Press Briefing

We are advising, based on new information in a deteriorating and fast-moving situation at a nuclear reactor site in Japan, that American citizens within a 50-mile radius of that plant should evacuate beyond the 50-mile mark.

WHITEHOUSE: Press Briefing