Are you an "Approval Junkie?"

In nearly seven years as a contributor for CBS’ “Sunday Morning,” Faith Salie has looked at some of the biggest pop culture questions, from the downside of too many selfies to the meaning of “vocal fry.” Salie joins "CBS This Morning" to discuss her new book, “Approval Junkie: Adventures in Caring Too Much," where she reveals that developing confidence without seeking validation from others was an uphill battle.…more