…As Mr. Trump returns to the White House on Monday with a popular vote victory and a governing trifecta in Washington, there are few signs of the sort of mass public protest that birthed “the resistance” the last time he took office. … … some concede that the opposition is more uncertain than it once was. Congressional Democrats and governors now openly debate the wisdom of locking arms against Mr. Trump’s agenda, as they eventually did during his first presidency. And Democrats still now bear scars from last year’s conflicts over Israel’s invasions of Gaza and Lebanon, their embrace of...