An anti-Semitic Navy reservist with a high-level security clearance was arrested this week on allegations he participated in the Capitol riot with members of the Proud Boys, according to federal court filings. Hatchet Speed, a petty officer first class in the U.S. Naval Reserve, was arrested Wednesday on misdemeanor charges related to the Jan. 6 Capitol insurrection. Although Speed has not been charged for violence, U.S. prosecutors are concerned his ideologies – combined with a recent firearms buying spree in which he spent at least $50,000 at firearm and firearm retailers over a span of a few months – make...