Katrina Lantos Swett and Daniel I. Mark: World leaders couldn't be more different
![Katrina Lantos Swett and Daniel I. Mark: World leaders couldn't be more different](http://bloximages.chicago2.vip.townnews.com/lacrossetribune.com/content/tncms/assets/v3/editorial/d/90/d907694e-388b-573e-8de6-8420045ae45b/5609517f6a4b9.image.jpg)
Washington hosted two dramatically different dignitaries last week — Pope Francis and Chinese President Xi Jinping. Both had meetings with President Barack Obama, and the pope became the first…