Across both sides of the political aisle, Barack Obama has won admirers for leading a relatively corruption-free administration over two presidential terms; avenging the September 11, 2001, terrorist attacks on the Pentagon and World Trade Center by tracking down and killing Osama bin Laden; and bringing a personal dedication to the job that was not swayed by the dizziness of the office he held. His tenure’s high points include leading a largely successful transition of the U.S. economy from the financial crisis of 2007-2008, steady progress in job growth, leadership in climate change policies and attempts to bring accessible and affordable health care to all Americans. But he also faltered in implementing health care reform, failed to successfully convert public outrage over mass-casualty shootings into stronger gun control laws, and watched helplessly as income and wealth disparities widened, and political divisiveness grew to unprecedented levels under his watch.…