Van Morrison: 'I Didn't Know I Was Going to Have This Body of Work'

"This is the meat of what I do," Van Morrison says of his new record, Duets: Re-Working the Catalogue. "I like working with challenges. And I like working with other singers." Morrison, 69, resurrects deep tracks from albums like 1977's A Period of Transition and 1991's Hymns to the Silence with...