Five years ago
Barack Obama defeated Hillary Rodham Clinton by seven votes in the Guam Democratic presidential caucuses, meaning the candidates split the pledged delegate votes. Big Brown won the Kentucky Derby by 4 3/4 lengths. (Filly Eight Belles finished second and then broke both front ankles; she was euthanized on the track.)
One year ago
U.S. officials published online a selection of letters from Osama bin Laden’s last hideaway; the documents portrayed a network that was weak, inept and under siege — and its leader seemingly near wit’s end about the passing of his global jihad’s glory days.