Plus, which beloved animal crossed the rainbow bridge, and what bit of papal paraphernalia did Chicago baseball fans get this week?

Details on how ICE cooperation agreements work in practice have been hard to come by. NPR took a close look at how sheriff's deputies in Walton County, Fla., approach immigration-related arrests.

Lawmakers and families raise concerns about conditions aboard USS Lincoln, as the U.S.-Iran war drags on, Iranians seek a break from the conflict, Russian-held Crimea faces Ukrainian drone campaign.

Out in the Big Bend area of West Texas, contractors are beginning to set the stage for construction of the Trump administration's planned border wall and barriers: crews are clearing ecologically sensitive land within the sprawling Big Bend National Park; worker housing is being built across the region; and heavy machinery, steel panels and construction materials are being hauled down rural, two-lane roads. As one landowner has put it, the fuse has been lit – and despite bipartisan opposition to the administration's border security plans in the Big Bend, some people here feel that the "Last Frontier of Texas" as they know it, will soon be a memory.