 The series won a Pulitzer Prize for National Reporting this year. Our interview was recorded when the series was first published. The Post has reposted the story on its website. I was surprised to read that after mass shootings, the sales of the AR-15 go up. Yeah, and that's because it's the center of the gun conversation, the gun control conversation, where folks say, well, what are we going to do about, how are we going to address these mass shootings? And someone will say, well, we'll