The Catholic Church at the Beginning of an Age.
Religion, Politics, Current Events, and Humor.
I don't know about opera, but he does sing barbershop! Google it and check out this video. http://www.youtube.com/watch?v=trLgbSpA-4g
He majored in Opera at my alma mater Towson University, which by the way will play in the FCS national championship - http://www.baltimoresun.com/sports/college/football/bal-touchdown-in-final-seconds-vs-eastern-washington-sends-towson-to-fcs-title-game-20131221,0,1782844.story
Youtube his stints as a pitchman for QVC. You're welcome! :)