When the Nobel committee awarded President Obama the Peace Prize just eight and a half months after he stepped foot in the Oval Office, many people were left scratching their heads. After all, what, exactly, had this community organizer-turned-president done yet to deserve a prize shared by the likes of Mother Theresa? Well, even the committee acknowledged at the time they weren’t giving it to him for accomplishments already made, but those hoped for. And now, according to a new memoir by the former director of Norway’s Nobel Institute, the committee believes it may have made a mistake. “[We] thought...