When Is a Logo a No-Go?

After a lengthy and costly redesign process, Gap unveiled a new logo, to outrage from customers. So they went back to the old one. Frances Anderton talks with branding consultant Sasha Strauss and graphic designer Michael Hodgson about logos and when they need -- or do not need -- a refresh. Also, industrial designer Yves Béhar talks about creating a Herman Miller chair for our time.