There I was, sitting in Reagan National Monday morning, sipping a Starbucks by the United counter before going through security. I had a little time, so I was browsing through the news. That's when I saw Bill Ayers, an instant blight. Scruffy, thinning beard, dippy earring, and the wirerims, heading to order. I gathered my things, got my camera ready, and snapped a shot right when he got his coffee. He gave me an uneasy cheesy smile when he realized I was taking his picture. I asked--what are you doing in D.C. Mr. Ayers? [He said] he was giving a...