Dave Chappelle

Dave Chappelle is not directly mentioned in the provided news articles. The articles focus on Eddie Murphy receiving the AFI Life Achievement Award and Bill Maher receiving the Kennedy Center's Mark Twain Prize for American Humor. Therefore, there are no recent events, developments, or current relevance related to Dave Chappelle within the context of these articles. Any summary about Chappelle would be speculative and based on external information, which is not permitted by the prompt.