Energy and excesses: How Trump drove GOP's erratic campaign

WASHINGTON (AP) — Paul Ryan had to know it was coming.

The minute the House speaker shot down President Donald Trump's latest campaign-season gambit on immigration — an assertion that he could rewrite citizenship rights with the stroke of a pen — Ryan had to be braced for Trump's counterpunch. True to form, the next day, less than a week before Election Day, the hit came in a tweet. The Republican president publicly declared that the Republican speaker "knows nothing about!" birthright citizenship.

Ryan picked up the phone and called the president to tell him he'd gone too far.

Indeed, Trump had been on a tear.