Is this the year we finally wipe out polio once and for all?
In 1979, the World Health Organization successfully eradicated smallpox, removing one of history’s greatest killers from the face of the Earth. Now, 33 years later, we just might be on the verge of repeating that feat with polio. Polio, which once killed or paralyzed a half million people each year in the 1940s and 1950s,…