“Calvin Mackenzie, a Colby College professor who has written a paper about predicting presidential performance, said McCain could be expected to take a strong stand on a few symbolic issues and willingly delegate other major policy matters. Despite McCain’s many campaign promises, said Mackenzie, ‘I can see a presidency like Eisenhower’s, a sort of senior statesman capping his career as president without much of an agenda to do anything and not pushing very far on policy initiatives.'”