FRIDAY FIVE:
* Matt Taibbi on how the world's biggest financial scandal just got bigger.
* "Studies show there is very little correlation between heavily armed citizens and the presence of democracy in countries around the world."
* Eugene Robinson on President Bush's true legacy. And a reminder from Conor Friedersdorf here.
* On cell phone use, infrastructure, and the old first world.
* Tackling the big questions about public education.