It's MORNING EDITION, from NPR News. I'm Steve Inskeep.
RENEE MONTAGNE, HOST:
And I'm Renee Montagne. American democracy activists held in Egypt are headed home today. The nongovernmental organizations whose employees were being held confirmed that the travel ban had been lifted. The workers were being held in Egypt on charges of fomenting unrest. NPR's Soraya Sarhaddi Nelson is in Cairo, and she joins us now on the line.
Soraya, how many people are leaving Egypt altogether - I mean Americans?
We have an update now on a story NPR's been investigating for almost two years. This morning, federal prosecutors filed criminal charges in a 2010 coal mine explosion in West Virginia. Twenty-nine mine workers died in the blast at the Upper Big Branch mine. The charges reach into the management ranks of Massey Energy, the company that operated the mine. NPR's Howard Berkes joins us now for details.
This is Morning Edition from NPR News. I'm Renee Montagne.
Senegal, on the coast of West Africa, has been something of a model of stability for a region known for its volatility. But this past week has brought protests and violence to Senegal after demonstrations over a presidential election this coming weekend led to clashes with riot police. We've got NPR's Ofeibea Quist-Arcton on the line from the capital Dakar to tell us what is going on there.
Let's talk more about where Rick Santorum stands and about his rivals, with NPR's national political correspondent Mara Liasson. Good morning.
MARA LIASSON, BYLINE: Good morning, Renee.
MONTAGNE: Now, we just heard from Sonari that Rick Santorum has surged in Michigan, and that would be, of course, Mitt Romney's native state. And that is one that Romney really cannot afford to lose. So what is he doing to stop Santorum, as of today, and what's it looking like?
All wars bring innovations — in weapons, and also in ways to repair the damage done. Penicillin is one of the more famous examples: It came into use as a treatment for troops in World War II.
The wars in Iraq and Afghanistan have brought their own breakthroughs, none more dramatic than the prosthetics that come close to giving back what has been lost. And big advances in treating grievous injuries have meant many more troops coming home alive.