By Kerry Breen is a news editor at CBSNews.com. A graduate of New York University's Arthur L. Carter School of Journalism, she previously worked at NBC News' TODAY Digital. She covers current events, breaking news and issues including substance use. Read Full Bio Updated on: March 18, 2026 / 5:53 PM EDT / CBS News Add CBS News on Google Senate Homeland Security Chairman Rand Paul fiercely criticized Senator Markwayne Mullin during his confirmation hearing  on Wednesday, calling him a "man with anger issues" after Mullin previously called Paul a "freaking snake." Mullin also once said he understood why a neighbor attacked Paul in 2017.  Mullin is appearing before the Committee on Homeland Security & Governmental Affairs after President Trump nominated him to replace Kristi Noem as the Secretary of Homeland Security. Mr.…