C-SPAN recently released the 2017 Presidential Historian Survey, in which a group of presidential historians rank all previous presidents from best to worst. President Obama did extremely well, coming in as the 12th best president of all time. Obama was commended for his handling of the economy, public persuasion, and (the most unsettling reason) his moral authority. Survey respondents seemed to have overlooked a simple fact, though, which should shatter any image of moral authority from the Obama tenure in office: his destructive and inhumane foreign policy. Obama’s record on warfare is,...