The pope and the Donald: a recap of the border wall row

It's official: The pope has entered the foray of election-year politics in America. 

By responding to a question about comments from Republican presidential candidate Donald Trump critical of his just-concluded Mexico trip, Pope Francis set off a wave of reaction, hot takes and even a new hashtag among the U.S. press and the world of social media.

Late to the story? We have you covered in the Storify below.