Theresa May will be the first foreign leader to meet with President Donald Trump. Britain’s prime minister will need to be pragmatic if she wants to lay the groundwork for a post-Brexit trade deal and a revitalised special relationship. Our word of the day:<br /><br />Click here to subscribe to The Economist on YouTube: http://econ.trib.al/rWl91R7 <br /><br />Daily Watch: mind-stretching short films every day of the working week.<br /><br />For more from Economist Films visit: http://films.economist.com/ <br />Check out The Economist’s full video catalogue: http://econ.st/20IehQk <br />Like The Economist on Facebook: https://www.facebook.com/TheEconomist/ <br />Follow The Economist on Twitter: https://twitter.com/theeconomist <br />Follow us on Instagram: https://www.instagram.com/theeconomist/ <br />Follow us on LINE: http://econ.st/1WXkOo6 <br />Follow us on Medium: https://medium.com/@the_economist