I meet random people on and through Twitter nearly every day. Some of those serendipitous encounters have turned into friendships and collaborations. But somehow I didn't think that the truly famous could have the same kind of experience. That is, until I saw this quick back-and-forth between Daniel Ellsberg, who leaked the Pentagon Papers, and novelist Paulo Coehlo. After making the Twitter connection, they're recording a podcast together in support of WikiLeaks. Here's how it went down. (We're using the experimental tool Storify to show this interaction.)