Associated Press summarized the Uranium One deal...
By the way, up to 2013, Russia had been sending their weapons-grade uranium (and plutonium?) contained in their nuclear devices to the U.S. for down-grading and re-processing into fuel for nuclear power plants. This was during a period that the the U.S. and Russia were playing nice (with much improved relationships that also involved cooperating on space projects)... until Putin decided to play KGB once again and Hillary caught him at it... things when south from there.