Mad Men. Solid to the end. Last few seasons answered a lot of questions. Don's devolution accelerated into a spectacular finale.
Donald Trump. Love him or hate him, he did actually deliver on many of his promises. Some speculate he followed through because he views relationships as transactional.
This piece has a list of about 60 things he signed off on. Not sure which were promises and which were carryovers. Maybe you can explain them all as not his doing, or too insignificant to give him credit:
