Russia appears to have replaced one of its most prominent commanders in Ukraine following fierce criticism of the general, but it remains to be seen if this is a permanent move.
Polling guru Nate Silver says Republicans have "the edge" in the contest to win control of the Senate, but "fairly big swings" could save the Democrats in the midterm elections.
U.S. citizens will set back their clocks on Sunday for what could be the final time, as legislation permanently ending daylight saving nears potential passage in Congress.
