Is America done with Donald Trump?

It was meant to be the midterm election that would kickstart Donald Trump's next presidential bid.  Instead, as counting continues, the Democrats have managed to retain control of the Senate, and the party is also doing better than expected in the House of Representatives.  So what does it all mean for the former president, who's promising a big announcement on his future tomorrow?  Today, a Republican Party expert on what the election result says about the deeply polarised political landscape in the US, and the outlook for Donald Trump.  Featured:  Geoffrey Kabaservice, vice president for political studies, Niskanen Center, Washington DC