‘Storks’ is a ‘Celebration of Life’

Nicholas Stoller has established himself as one of Hollywood’s most successful comic filmmakers – and also has one of its most unusual career arcs. He’s veered between making hard-R comedies such as “Forgetting Sarah Marshall” and the Seth Rogen “Neighbors” movies, and helming the return of the Muppets to the big screen in 2011. “It becomes…