On Russian bounties, what did Trump know and when did he know it?

It was late Friday when the New York Times first reported on a stunning story: according to U.S. intelligence, while peace talks were underway to end the long-running conflict in Afghanistan, a Russian military intelligence unit "offered bounties to Taliban-linked militants for killing coalition forces in Afghanistan -- including targeting American troops."

Soon after, most of the nation's leading news agencies confirmed the story: U.S. intelligence agencies have reason to believe Vladimir Putin's government offered financial rewards to those who killed American servicemen and women.

Among the many questions is...