reporting. david cay johnston and his reporting, dcreporting.org, tonight we have their first look at what they have obtained. in just a second we are going to show you exactly what it is we've got. we'll walk through it with david cay johnston. we're going to get context on it, we'll get explanation of what it means. importantly, we're going to get explanation and discussion about what further avenues for reporting this may open. but let me tell you first that part of what's very important about this story, about this new document we're able to bring into public discussion, part of what's most important about it is that for some reason that we cannot discern this document has been made available. this document has surfaced. it has been handed to a reporter and that's an important part of this story. that may be the most important part of this story. when donald trump declared as a presidential candidate that he would not release his tax returns, he became the first