North Korea ushers in 2010 with commitment to achieve nuclear-free Korean peninsula

Obamas offer Christmas wishes, urge nation to support military families during holiday

Coast Guard setting up security zone in waters around Obama’s Hawaii vacation home

"Yes, we have to divide up our time like that, between our politics and our equations. But to me our equations are far more important, for politics are only a matter of present concern. A mathematical equation stands forever." - Albert Einstein