Ex-Harvard track coach pleads guilty to child porn charge

BOSTON (AP) — A former Harvard University assistant track coach who also coached at a suburban Boston high school has pleaded guilty to possession of child pornography.
The U.S. attorney’s office in Boston says 71-year-old Walter Johnson, of Framingham, pleaded guilty Tuesday. He faces up to 20 years in prison at sentencing scheduled for Sept. 10.
Authorities say an investigation began in January 2017 into child pornography being traded by a Craigslist user. The investigation led to