Three witnesses billed as whistle-blowers appeared before a House committee Wednesday to challenge the Obama administration's explanation of what transpired on Sept. 11, 2012, as the U.S. consulate in Benghazi, Libya, was attacked and the ambassador and three others killed.
Some critics say that ending polio has become Bill Gates' "white whale."
Why not just settle for the huge drop in polio cases that we've seen over the past decade and then spend money on other things that kill so many more kids, like diarrhea and malnutrition?
"Polio is special," Gates tells NPR's Robert Siegel on All Things Considered. "Once you get it done, you save $2 billion a year that will be applied to those other activities. There's no better deal economically to getting to zero."
The Carnival Cruise ship Triumph is traveling again, having left the terminal in Mobile, Ala., where it was forced to dock in February after severe problems with its engines led to its being towed across the Gulf of Mexico.
The odyssey of the ship, whose 3,143 passengers endured days without consistent running water and electrical services, attracted national attention as it drifted at sea before heading to the Alabama coast.