tsar

He tapped veteran immigration official Tom Homan as his "border tsar"; selected South Dakota Governor Kristi Noem to oversee homeland security; and appointed Steven Miller as White House deputy chief of staff for policy.

Now he’s back with an even broader portfolio, as Trump’s “immigration tsar”.

But it is not yet clear how his role as "border tsar" will take shape, as managing immigration involves coordination among several government agencies.

Republicans have used that brief to claim she was the “border tsar”, and therefore responsible for the record high rates of illegal border crossings in recent years.

Around 100 cities now have some form of “night mayor” or “night tsar” in place, to spur this work.