‘Saturday Night Live’ turns 50: Here are 12 iconic moments

“Saturday Night Live” was built with a cast of young no-names performing countercultural comedy. Fifty years later, it is firmly part of the culture, dictating mainstream comedy instead of throwing spitballs from the margins. The show has become an incubator of talent — think Will Ferrell, Chris Rock, Amy Poehler, Billy Crystal, Julia Louis-Dreyfus, Eddie Murphy, Adam Sandler, Phil Hartman, Pete Davidson and Tracy Morgan. Its sketches have sparked Hollywood movies, from “The Blues...