Trump Rests His 2020 Hopes on Some Old Tactics

President bets he doesn’t have to change his rhetoric or policies to win a second term, just make his opponents appear unacceptable to voters.

President Trump’s aides say he didn’t set out to spark a firestorm Sunday morning with his series of racial insults on Twitter. But his message was consistent with the broader wager he has placed on his own re-election.

A key piece of Mr. Trump’s strategy to win a second term, advisers said, is to paint Democrats as so extreme and out of touch that he will...