Here's a new article by Fred Kaplan. It's entitled "Trump's Canada Trade Fiasco Shows the Dark Side of 'America First" and basically, it says…
Trump critics have long warned that "America First" means America Alone, but now the proof is flashing neon-bright before our eyes. To a degree that even critics could not have foreseen a year ago, the United States struts and frets on the world stage alone. There are very few, if any, leaders in the world who respect or admire America in the Age of Donald Trump — who would serve U.S. interests to the point of compromising their own, whether out of loyalty to our alliance, gratitude for our security umbrella, or fear of our sheer power.
It comes from the same place as "Engrave my name on the Kennedy Center or I'll tear it down!"