Sanders or Obama would have a lot of positive incentives to vote for them. So Trump's magical adjustments might not do it.
Oh and you have those info from the same sources that claimed Crooked Hillary is a sure win?
Claiming that Trump would win is more valid since he, you know, DID win. Instead of liberals wishful thinking.
So a hypothetical match up would be the same based on an existing result? Interesting.
But Sanders had enthusiastic supporters and so did Obama, and no negative incentive like they did for Clinton vs Trump.