Created while Kermit was still a tadpole, "Sam & Friends" was a program that Jim Henson produced alongside his future wife Jane in the 1960s. That program led to the creation of the Muppets, clearly one of the greatest artistic achievements of the last century, if not longer. Craig Shemin, who has worked with the Henson company for decades, has written two books detailing this important moment in Henson's creative birth. "Sam & Friends: The Story of Jim Henson's First Television Show"...