U.S. Senator Jeff Flake (R-AZ) walks past journalists after announcing he will not run for reelection on Capitol Hill in Washington

U.S. Senator Jeff Flake (R-AZ) walks past journalists after announcing he will not run for reelection on Capitol Hill in Washington

U.S. Senator Jeff Flake (R-AZ) walks past journalists after announcing he will not run for reelection on Capitol Hill in Washington, DC, U.S. October 24, 2017. REUTERS/Joshua Roberts