It should come as little surprise to anyone that, for the third time in a row, historians agree that Abraham Lincoln was the best US President. As part of C-SPAN’s third Historians Survey of Presidential Leadership , almost 100 historians and biographers rated the 43 former presidents on ten qualities of presidential leadership: Public persuasion, crisis leadership, economic management, moral authority, international relations, administrative skills, relations with congress, vision, pursued equal justice for all, and performance within the context of his times.