After 800 author interviews, Brian Lamb is quitting his BookNotes show on C-Span. Why? “He spends 20 hours each week reading books in preparation for “Booknotes,” he estimates. That’s 1.8 years of his life that have been dedicated to reading since the show debuted April 2, 1989. Now he wants to reclaim some of that time for his personal life. Has it come to this? The author-interviewer, arguably the most quirky and dedicated on television, the creator and curator of one of TV’s few institutions for avid readers — has he finally tired of books?”