Trump says immigrants can't be in U.S. during asylum process

The Trump administration has announced it will keep asylum seekers in Mexico while they await the outcome of their cases. It’s a way to block them from settling in the U.S. during the asylum process, which can take years. Theresa Cardinal Brown of the Bipartisan Policy Center joins Amna Nawaz to discuss what we know and what we don't about how the administration might implement this change.