Dick Cheney, powerful former U.S. vice president who pushed for Iraq war, dies at 84
Former U.S. Vice President Dick Cheney attends the Conservative Political Action conference (CPAC), on February 10, 2011 in Washington, DC. The CPAC annual gathering is a project of the American Conservative Union. Mark Wilson | Getty Images News | Getty Images Dick Cheney, a driving force behind the U.S. invasion …