Devastating 8.9 magnitude earthquake (one of the largest ever recorded) strikes Japan, triggering a 13-foot tsunami. Here's some shocking video of Earthquake, and a new Google tool that has been created to help locate missing people after the disaster.

Planet Money looks into the possible economic consequences of the quake.

Slate.com: Why conservatives had mixed luck getting video of angry, violent liberals during union protests.

Also, Slate profiles "The Greatest Country on Earth." What can the United States learn from the tiny island nation of Mauritius?