As President Donald J. Trump seeks to make good on his campaign pledge of mass arrests and removals of migrants, the U.S. immigration detention system is being overrun with prisoners.

Mr. Khalil, a permanent resident detained in Louisiana, had requested a monitored furlough for the birth. His request was denied in less than an hour.

Vance had an “an exchange of opinions” with Cardinal Pietro Parolin that touched on migration, the Vatican said.

New research shows play-based learning can be more effective than direct instruction at improving outcomes for early learners—particularly in the development of mathematical and spatial skills.