McCaskill: Clinton stronger than Joe Biden
09:07Sen. Claire McCaskill, D-Mo., joins Morning Joe to discuss Hillary Clinton's poll numbers, why Clinton is stronger than Joe Biden, the U.S.-Iran nuclear deal and her new book.
Sen. Claire McCaskill, D-Mo., joins Morning Joe to discuss Hillary Clinton's poll numbers, why Clinton is stronger than Joe Biden, the U.S.-Iran nuclear deal and her new book.