At least three semi-serious candidates are challenging President Trump for the 2020 Republican nomination. Is that weird? How common are primary challenges to incumbent presidents? What does the history tell us about how to think about this year's crop?
Debates about health care policy are all the rage among 2020 Presidential candidates. How should a thoughtful voter think about these discussions? And why exactly are we still talking about health care nearly 10 years after Obamacare?