Virginia man who cheered 'political assassinations' pleads guilty after 150 pipe bombs are seized from home

A Virginia man charged with stockpiling the largest number of finished explosives in FBI history and accused of making threatening comments about politicians has pleaded guilty in federal court to possession of an unregistered short barrel rifle and possession of unregistered destructive devices. 

Authorities seized around 150 pipe bombs and other explosive devices from Brad Spafford’s home near Norfolk last fall, according to court documents. 

Spafford was also accused by prosecutors...