He’s campaigning in states his campaign has already conceded. I always look at where a losing campaign spends its time. His purpose in going out there is to keep his numbers from falling to flat bottom - not on winning them. O knows its hopeless but you know they fought even in the trenches during World War I when there was no prospect of a decisive victory in sight.
Or do you think he’s been given clear orders to o where D senate candidates are on the bubble?