Dick Cheney, Powerful Former Vice President Who Served Four Republican Presidents, Dies at 84

Dick Cheney, who served four Republican presidents and whose role as an architect of the post-9/11 war on terror made him one of the most powerful—and controversial—U.S. vice presidents in history, died on Monday. He was 84.

He died due to complications of pneumonia and cardiac and vascular disease, his family said in a statement.