Having said that, I think there are a lot of Republicans who are sincere in recognizing that unless we deal with entitlements in a serious way, the problems we have with this year's deficit and next year's deficit pale in comparison to what we're going to be seeing 10 or 15 years or 20 years down the road.

WHITEHOUSE: Presidential Press Conference

"If we don't control pollution, we're going to have serious problems, " says Li.

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We still have a lot to do before we will know if we are really prolonging life and reducing serious medical problems.

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And the reason is, let's be honest Andrew, we have taken action that you know has avoided the serious unemployment problems that we've had in previous recessions.

BBC: Take your politics too seriously

More broadly, if we are serious about addressing our national energy problems, these advances have given the U.S. a unique opportunity to realize large gains for both the environment and the economy.

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What they discovered, it's not true, that homelessness is divided up, and there are a very small number of people who have very serious problems and who really make up what we define of and think of as chronic homelessness.

NPR: A Scientific Approach to Helping the Homeless

He called the measures announced Tuesday a step forward in addressing "the most serious financial crisis that we have known so far" and said Europe must continue to assess the problems.

CNN: EU raises bank deposit guarantee