- Mike Konczal offers a quantitative easing explainer ... in GIFs.

- Rahm Emanuel denies teachers' accusations that he is a Nickelback fan.

- Chris Beam moves to China; gets schooled in Ping-Pong by 10-year-olds.

- James Heckman on promoting social mobility.

- The past and future of New York City's housing projects.

- Sweden has to import trash because the country has gotten too good at recycling.