Walter Ken Myers and his wife Gwendolyn Steingraber Myers have just been accused of spying on the U.S. for nearly thirty years for Castro's Cuba. While a headline-grabbing revelation, they're hardly the first to slip American secrets abroad. From the Rosenbergs to Robert Hanssen, here's a slideshow of some of the best known turncoats in U.S. history:
American Spies, Then And Now (SLIDESHOW)
American Spies, Then And Now (SLIDESHOW)
