President Donald Trump is confronting more opposition than any he faced in his campaign, or anything seen in the first weeks of a modern presidency, with protests, legal challenges, congressional opposition and parts of the federal bureaucracy mobilizing to resist.

After issuing a blizzard of executive orders that fueled expectations he would be a dominant force in Washington, Mr. Trump risks seeming more like Gulliver, the giant tied down by an army of resilient, if smaller, adversaries.

...