http://www.nytimes.com/2010/03/11/education/11educ.html
and here's a direct link to the proposal site: http://www.corestandards.org/
The site is really poorly done (frames, which are always bad imo, and then these are poorly implemented) -- they should hire shag.
I've only just started looking at them, so I don't have much to say at this point, except that once again we will be looking at a windfall for textbook publishers and test companies. Changing standards are the best things in the world for them. It's like arms manufacturers liking wars.