Liberals must accept that beating Trump was never going to be easy, or they’ll lose to him again. Matthew Yglesias on Democrats’ 2018 impeachment dilemma, explained. Democrats: Don’t take the bait on impeachment. Brian Beutler on Democrats’ increasingly untenable impeachment position. How Democrats can make Trump chaos a midterm issue. The Democrats are moving left without self-destructing. Stop comparing the resistance to the tea party. Why primary fights are good for the Democratic Party. The lesson of the Steny Hoyer controversy: Party insiders still matter after all.

Could Kamala Harris help end the 2016 primary wars? In wide-open 2020 presidential field, Democrats are road-testing messages — and trying to redefine their party. How Democrats can over-promise like Trump: It worked for the president — it can work for his opponents, too.