* "Mr. President, what it comes down to is every American has the right to know when their government believes that it is allowed to kill them." (More here.)
* Good read: Charles Blow on the hidden danger in the sequester.
* Follow-up: the effort to rebuild Iraq didn't work.
* Building the future on "big data."
* Unraveling the 'cocktail party effect.'
* 4thletter on the ultimate fate of Damian Wayne.