"Undocumented" Aliens To Attend Trump Speech?

This story comes from Politico, and was quickly picked up by Twitchy.  From Politico:

When President Donald Trump makes his first address to a joint session of Congress Tuesday night, at least four undocumented immigrants whose temporary legal status could be revoked will be in the House watching him speak.

The "undocumented immigrants" are recipients of the Deferred Action for Childhood Arrivals (DACA) program established by President Obama.  This program allows people who were brought into the United States illegally by their parents to avoid deportation and attend American colleges.  These people were just children when they brought in, so the story goes, but I'm not sure about the maximum age at arrival required by the program.  In other words, these people are technically illegal aliens, but have been granted a sort of deferment.  Read the full story, and read the comments on Twitchy.  Lots of references to ICE in there, and I don't mean frozen dihydrogen monoxide.