Dr. Tancredi is a veterinarian and the owner of Old Ridge Veterinary Hospital in Chadds Ford, Pennsylvania. He loves to read, to practice medicine, and he's writing on Substack mostly about artificial intelligence but sometimes about other things.

A report on how false claims online are undermining trust — and who’s behind them. Produced by co-CEOs Steven Brill, Gordon Crovitz, and the NewsGuard Team.