Let's pretend President Trump didn't tweet. Let's live in a universe where the president of the United States didn't see fit to insert himself into every controversy, to comment on every passing event, to blast out his inner monologue before tens of millions of Americans each morning -- often in the most foolish, controversial or outright xenophobic way -- while watching cable news. Here's what the news cycle would look like. Last week, House Speaker Nancy Pelosi, D-Calif., went to war with the most famous member of her House contingent, freshman Congresswoman Alexandria Ocasio-Cortez, D-N.Y. After months of vacillating...