At the D11: All Things Digital conference in Rancho Palos Verdes, California, Walt Mossberg and Kara Swisher sat down with Apple CEO Tim Cook to ask him questions on a number of topics. The discussion unsurprisingly included the much rumored Apple branded television set and the TV experience which Tim Cook said could be improved.I think it’s been great both for customers and very good from a learning point of view for Apple. I think many of us would agree that there’s lots of things about the TV experience that can be better. We answered some of those, not all of those.When questioned about whether or not content deals were holding up the possibility of an Apple television experience, Cook declined to comment, but he did reitera