Facing financial headwinds, budget carrier Avelo Airlines struck a deal to operate deportation flights for ICE. Now it's facing a backlash from customers and politicians.

NPR's A Martinez speaks with senior research engineer Jonathan Snodgrass at Texas A&M University about the safety of power grids after three countries in Europe experienced blackouts.

Now that the start date of the papal conclave has been set for May 7, NPR walks through who'll be there and how they'll be electing the next leader of the Roman Catholic Church.