Dateline producer Marianne O'Donnell reflects on what it was like to cover the 2017 murders of Abby Williams and Libby German in Delphi, Indiana, and the trial that followed nearly seven years later.

Heated rhetoric and divisive questions raise concerns about the fragility of democracy amid US-style politics.

Birkenstock sandals are ubiquitous in summer. But can the well-known footwear be considered art? That’s the question ...