Christa Pike was convicted of murdering a classmate in 1995. It was not clear what went wrong in the execution or what her current medical condition was.

A yearlong investigation of Greek houses reveals their endemic, lurid, and sometimes tragic problems—and a sophisticated system for shifting the blame.

The media and politicians haven’t pinned down anything resembling a suitable description for a president’s downward spiral or the looming battle for U.S. democracy.