Gunnar and Matthew Nelson talk about their new book 'What Happened to Your Hair?'

Ricky Nelson became a teen idol appearing on the TV series featuring his famous parents, "The Advenutres of Ozzie and Harriet.” It was one of the top shows in the country from 1952 till 1966 in its original run. Then came a new generation of Nelsons. Kristen and Ricky Nelson's twin sons, Gunnar and Matthew Nelson who hit the top of the charts in 1990 with their hit, "(Can't live without your) Love and Affection." These days they're touring the country doing a special holiday show and talking about their new book, "What Happened to Your Hair." They spoke to WGN’s Dean Richards about the book and their family’s history.