Stunning. This brilliantly and terrifyingly illustrates how social networks in a highly mobile population can spread a contagious virus. From a Fort Lauderdale beach to half of America. In days.

Watching the recent Frontlne on the growing national debt. Great job of explaining how we got there and what it means.

Now on twitterberry

Waiting for the midnight deadline in the NYT-Globe union talks.

I want to get reminders from Bank of America before every episode of #VietnamWarPBS! cards.twitter.com/cards/3dzboc/4…