"So, could there be a third party run? Liz Cheney maybe? Democrats can only hope. A third party run with someone like Cheney would siphon votes from the Republicans, making a Democrat victory all but certain."

If states would use ranked choice voting to eliminate all but the top two vote getters and then allocate their Electoral College Votes in the same manner that Jefferson populated the first House of Representatives, vote splitting would not be an issue: http://fairelectionadvocates.org/index.php/campaigns/campaign-menu