US dollar gets a lift from Fed talk (or is it something else)

or was it just flows? The Fed's Williams talked about inflation rising to 2% and Harker repeated that he expects a hike in December. Maybe that was the reason for the latest bid in the US dollar, or maybe it's that Congress is starting the process of a cutting taxes today. Or maybe it's optimism about
US dollar gets a lift from Fed talk (or is it something else)