For me it has to be Dave.
Without him winning in 2015 would have had utter CHAOS with red Ed, who couldn't even eat a bacon sandwich, let alone run the country.
I think it is fair to say that in the past few years we have had a series of exemplar PMs running the country, we have even had three in the past few weeks!
From Dave calling a Brexit referendum and then f***ing off, to May providing extremely strong and stable Government when most needed, to...