I think it’s telling that Glenn Greenwald refuses to respond to allegations that he’s a fifth dimensional imp named Mr. Mxyzptlk.

Update: Link fixed.

Ezra Klein is a former Prospect writer and current editor-in-chief at Vox. His work has appeared in the LA Times, The Guardian, The Washington Monthly, The New Republic, Slate, and The Columbia Journalism Review. He’s been a commentator on MSNBC, CNN, NPR, and more.