Last year's Sunday night headliner also criticises line-up and prices
The Who frontman helps out Childline
Pete Townshend hints the band may play festivals
Plus Roger Daltrey moans about band's radio ban
Pete Townshend working on new material
Veterans face their fans' questions in London
They plan to visit Japan and Australia in 2008
Pete Townshend and Roger Daltrey launch film with Q&A session
They'll feature rare concert footage and video scrapbooks
The guitarist makes surprise appearance at singer's gig