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 cruise ship Carnival Triumph, seen here as it arrived in Mobile, Ala., in February, has now disembarked for the Bahamas. The powerless ship was towed to port with 3,143 passengers aboard in February.
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.
A cargo ship slammed into a dock in Genoa, Italy, on Wednesday, killing at least seven people and toppling the control tower at one of the country's busiest ports.
The Associated Press reports that divers had found seven bodies in the wreckage. Four others have been hospitalized and two were still unaccounted for, Luca Cari, a spokesman for the fire rescue teams at the scene, told The Associated Press.
"I used to be a wimp in school. ... Since I started playing football in 9th and 10th grade, all I did was get a haircut, start wearing decent clothes and play sports. Now I'm a popular person... and I want to keep it going that way."