I don't agree with Glenn Greenwald as much as I used to, but he's 100% right about the charges that have been brought against Snowden. Charging him under the Espionage Act is totally ridiculous, especially considering that he didn't actually engage in any espionage even though he had ample opportunity to.
ADDING (6/24/2013): also this.
ADDING (6/24/2013): also this.