Even before the midterm voting began, both parties were looking ahead to the next Presidential election. Now, Republicans have the Senate for the first time since 2006, and their biggest House majority since 1950. Can they legislate their way to success in 2016? We hear about their challenges — and those of a lame duck Democrat in the White House whose party blames him for its losses. What’s in store as both parties try to impress an electorate that will look very different from yesterday’s voters?