Well, before the primaries started I thought the Democrats cannot loose, even if they nominate a monkey, as the math in the electoral college is on their side. This became even more true as Trump was nominated, the job for the dems got even easier. But then I see, Hillary is able to do the trick, the chances are already more or less even now, after the dems lead HUGE some weeks ago:
http://projects.fivethirtyeight.com/2016-election-forecast/
In terms of political sense, obviously both are bad. Therefore: Jill Stein for President!