Jimmy Kimmel defends joke about Homeland Security Secretary Mullin Late-night host Jimmy Kimmel defends a joke about Homeland Security Secretary Markwayne Mullin’s previous career as a plumber. NEW You can now listen to Fox News articles! Comedian Jimmy Kimmel defended his criticism of Homeland Security Secretary Markwayne Mullin, who worked as a plumber earlier in his career. Kimmel’s comments didn’t sit right with many Republicans, who saw Kimmel as disparaging toward plumbers and blue-collar