He's this year's Mark Twain Prize winner
                                
                                
                                    (Newser) -
                                    A big honor is being bestowed on Conan O'Brien: He's this year's Mark Twain Prize for American Humor honoree. The comedian, podcaster, former late-night host, and upcoming Oscars host will be celebrated at Washington, DC's John F. Kennedy Center for the Performing Arts on March 23,...