The president takes executive action to offer legal status to 500,000 people who entered the country illegally but married U.S. citizens. How much does Biden's order weaken deterrence for future migrants, is it vulnerable to legal challenge as an abuse of discretion, and does such "pen and phone" governance make real immigration legislation less likely, by letting Congress off the hook?

Learn more about your ad choices. Visit megaphone.fm/adchoices