The addition of visa overstays as a rationale could provide an opening for new legal challenges, migrant advocates say.

A day after President Donald Trump proclaimed full or partial travel restrictions for Haiti, Cuba, Venezuela and 16 other countries, U.S. tourist-visa holders from the targeted nations lacked clarity about whether they will be allowed into the United States when the ban is in force Monday.

“We don’t want ’em.” The President banned citizens of twelve countries from entering the United States. Is this a newer, “smarter” version of the Muslim ban of 2017? Jonathan Blitzer, who covers immigration, unpacks the news. Plus: