Authors:

One should talk tough to friends in private, but, as the first phone call with the president of the United States, you're trying to build your personal relationship. You're trying to build on the alliance and the partnerships that we have. Usually, that tough talk doesn't happen with your friends and partners. And people wonder why the tough talk by Donald Trump is happening with Mexico and happening with Germany and happening with our pals, but it's not happening with Russia.

Source: www.pbs.org
One should talk tough to friends in private, but, as the first phone call with the president of the United States, you're trying to build your personal relationship. You're trying to build on the alliance and the