Michio Kaku on his lifelong search for ‘The God Equation’

Michio Kaku is a theoretical physicist who was inspired as a young child to search for the ‘theory of everything.’ Kaku co-founded the string field theory, which he believes may be the answer to the long quest to understand our universe. Kaku details the history of this search in his new book, "The God Equation." Mori Rothman reports.