Bradley Tusk: Trump's wish for the Supreme Court may be his downfall

Despite what many of us want to believe, President Donald Trump is the front-runner in 2020. If you supported him in 2016, you have little reason to regret your choice -- he's working hard to fulfill all his campaign promises. Sure, the polls often show that Trump's approval rating is underwater. But voters are a lot more than just data points graphed onto projections.