Arts & Life

Fred Armisen is a cast member on Saturday Night Live, a star and writer of Portlandia on IFC, a former drummer in a bunch of punk rock bands, and for a while, the world's preeminent Barack Obama imitator.

America's increasingly diverse society is rewriting many of the traditional rules of etiquette. Host Michel Martin gets tips from etiquette experts Harriette Cole, Phillip Galanes, and social commentator Firoozeh Dumas.

On this week's show, we dive into Peter Jackson's The Hobbit: An Unexpected Journey. Glen is an extra-extra-expert, Stephen and I are novices, and Trey is somewhere in between when it comes to Tolkien, so what happens when we all see the same movie? What about the super-crisp technical side? And what does this have to do with Les Miserables?

• Tenor Rolando Villazon let loose during a recent Q&A with The Arts Desk: "One thing that I haven't achieved is longevity. This will come — if it comes. That said, I don't think that longevity is a necessary part of a great career." And regarding his own health problems: "[My doctor] would have told [critics] the problem was biology. I would have got it if I had sung Mozart. It had nothing to do with repertoire or technique or how much I sang.

In light of last Friday's mass shooting at Sandy Hook Elementary School, all explanations and ruminations for why Adam Lanza opened fire are on the cable-news pundits' table. Was it the lack of gun control? Untreated mental illness? Or was it an Aurora-style pop-culture revenge fantasy writ large? Did Hollywood's culture of raging, gun-slinging entertainment help fuel the mayhem? Nobody knows the shooter's motive, and yet the conversation and pontification remains incessant and unabated.