ans at the "Simpsons" panel at San Diego Comic-Con received an unexpected surprise Saturday when creator Matt Groening shared a video from Democratic presidential candidate Kamala Harris, a self-described "superfan" of the series. In the clip, Harris laughed and said, "We must move forward, not backward; upward, not forward; and always twirling, twirling, twirling towards freedom" -- a quote from the Oct. 1996 episode "Treehouse of Horror VII," which originally aired before the election between Bill Clinton and Bob Dole. The appearance was fitting. In recent days, social media users have compared Harris to Lisa Simpson, and in particular the...