For journalists covering domestic policy, this past week poses some hard choices. Should we focus on the Trump budget’s fraudulence — not only does it invoke $2 trillion in phony savings, it counts them twice — or on its cruelty? Or should we talk instead about the Congressional Budget Office assessment of Trumpcare, which would be devastating for older, poorer and sicker Americans? There is, however, a unifying theme to all these developments. And that theme is contempt — Donald Trump’s...