NATO’s next leader knows how to handle Trump but will he be able to rein him in?

​ As the NATO alliance prepares to celebrate its 75th anniversary at this week’s summit in Washington, it is also gearing up to welcome its first new leader in a decade: a man experienced at dealing with former President Donald Trump that many hope can keep the alliance unified in the face of a swirl of challenges including a potential second Trump presidency. Read More Breaking News, Latest News and Videos | CNN