As president, Donald Trump needs to pause, reflect and resist the urge to attack. That may be difficult.

Click here to subscribe to The Economist on YouTube: http://econ.trib.al/rWl91R7

Daily Watch: mind-stretching short films every day of the working week.
For more from Economist Films visit: http://films.economist.com/
Check out The Economist’s full video catalogue: http://econ.st/20IehQk
Like The Economist on Facebook: https://www.facebook.com/TheEconomist/
Follow The Economist on Twitter: https://twitter.com/theeconomist
Follow us on Instagram: https://www.instagram.com/theeconomist/
Follow us on LINE: http://econ.st/1WXkOo6
Follow us on Medium: https://medium.com/@the_economist