But the criteria already being applied for the release of prisoners mean that only 71 of the 340 will still be in jail in two years' time.

ECONOMIST: And now for the small print

And tomorrow, my administration will release a new "College Scorecard" that parents and students can use to compare schools based on a simple criteria - where you can get the most bang for your educational buck.

BBC: State of the Union: Obama pledges to reignite economy