* The charter school push is backed by CEOs who want to make money.
* Report shows that, yes, fewer guns means fewer suicides.
* On what the sentencing of Bradley Manning will mean for future whistleblowers.
* "How to avoid sounding like an idiot when discussing politics."
* The last work on Paul Ryan's 'magical budget' goes to Dana Milbank.
* David Weigel gives us a CPAC FAQ.
* Gallery: the best engineering pics of last year.
* Why Star Wars needs Genndy Tartakovsky.