Dick Cheney, one of the most powerful and polarizing vice presidents in U.S. history, has died at 84. Cheney was a leading advocate for the invasion of Iraq. He led the armed forces as defense chief during the Persian Gulf War under President George H.W. Bush before returning to public life as vice president under the younger Bush. Cheney's family says he died Monday of complications of pneumonia and cardiac and vascular disease. For the full story: https://abc7news.com/18111360 | ABC7 News