Bad Bunny is backing down from a comment he made in October, saying that critics of his upcoming Super Bowl halftime performance needed to learn Spanish. “I’m really excited to be doing the Super Bowl. I know that people all around the world who love my music are also happy,” he said on “Saturday Night Live,” before teasing his critics in Spanish. “If you didn’t understand what I just said, you have four months to learn.” This week, during an appearance at San Francisco’s Moscone Center, Bad