MI5 director general Ken McCallum just confirmed what populists on both sides of the Atlantic have argued for years: the Russian interference narrative around the Brexit vote was inflated, and the spies know it. The question for Americans is simple — if Britain's intelligence apparatus oversold this story to cast doubt on a democratic result they didn't like, what makes anyone think our own agencies are doing anything different?
McCallum said Tuesday that Russian-state broadcasters RT and Sputnik
