A power blackout hit all of Puerto Rico on Wednesday as the heavily Catholic U.S. territory prepared to celebrate the Easter weekend.

The Trump administration's move to send immigrants to a maximum security prison in El Salvador is the subject of multiple on-going fights in court. But in an Oval Office meeting with the Salvadoran president this week, President Trump was already looking ahead. "We also have homegrown criminals that push people into subways, that hit elderly ladies on the back of the head with a baseball bat when they're not looking, that are absolute monsters. I'd like to include them in the group of people to get them out of the country," Trump said. Trump later clarified that by "homegrown criminals" he meant U.S. citizens. No president has tried to do exactly what Trump is proposing. In this episode, we hear from someone who argues it's wildly unconstitutional. For sponsor-free episodes of Consider This, sign up for Consider This+ via Apple Podcasts or at plus.npr.org. Email us at considerthis@npr.org.

After being hunted to near extinction, wolves have made a population comeback in recent decades with the help of conservation efforts. Now, the country with the most wolves in Europe is Italy. Our correspondent in Rome set's out for the Italian forest with an organization that takes small groups to try to see wolves in the wild.

Growth was driven partly by strong industrial activity and exports, before President Trump's punishing tariffs. Experts say these levies will hurt China's growth this year.

Trump has signed an executive action aimed at lowering prescription drug prices. And, the president threatened to revoke Harvard University's tax-exempt status after it rejected government demands.

Scientists have recently mapped the painted lady butterfly's annual flight from equatorial Africa to northern Europe and back, the world's longest butterfly migration. In Constant Bloom, photographer Lucas Foglia documents the journey.