Unlike other Trump administration appointees who didn't last, William Barr has turned each crisis into an opportunity. QuickTake by Bloomberg looks at why the U.S. attorney general returned to government after more than two decades away, and how he may shape the outcome of the upcoming presidential election. Video by Henry Baker #Politics #Election2020 #Profiles -------- Like this video? Subscribe: http://www.youtube.com/Bloomberg?sub_confirmation=1 QuickTake Originals is Bloomberg's official premium video channel. We bring you insights and analysis from business, science, and technology experts who are shaping our future. We’re home to Hello World, Giant Leap, Storylines, and the series powering CityLab, Bloomberg Businessweek, Bloomberg Green, and much more. Subscribe for business news, but not as you've known it: exclusive interviews, fascinating profiles, data-driven analysis, and the latest in tech innovation from around the world. Visit our partner channel QuickTake News for breaking global news and insight in an instant.