NATO Summit

Stakes are high for Trump's meeting with Putin. Here's what to expect

The White House confirmed only on Tuesday that the most highly anticipated meeting of President Trump’s tenure — with Russia’s President Vladimir Putin — will take place Friday in Germany. But among advisors mindful of the many pitfalls, both domestic and global, preparations have been intense for some time.

The meeting of the two presidents, whose mutual admiration during the 2016 American presidential campaign stoked allegations of collusion that are now at the center of a criminal investigation in Washington, is certain to be a highlight of a summit of the world’s 20 wealthiest countries starting Thursday in Hamburg.

With issues of North Korea’s continued nuclear threats,...