When it comes to determining when it makes sense to impeach a president, congressional Democrats are working with 200 words in the Constitution, three significant historical precedents, the fervor of impeachment advocates, the anxieties of swing-state members of Congress and all the polling data that a modern political party can buy.
None of this, unfortunately, tells them what to do when the president in question actually wants them to impeach him.
That Donald Trump actually wants to be impeached is an argument that Ben Domenech, the publisher of The Federalist, has been making for some time — that the president isn’t stumbling backward toward impeachment, but is actually eager for the fight.