--No Democratic candidate appears to have the coalition or the fanbase that Obama generated during both of his campaigns. Whether the nominee is Clinton or Biden, it is unlikely they will get as many voters to the polls as the president did."
I think this is the most interesting of your predictions.
Not only did it end up being true, but I think it says the most about future elections. There's an argument to be made that the Obama coalition (particularly the '08 coalition) was unique to Obama, and maybe also unique to that particular year (2008). In other words, that particular coalition cannot be re-created in 2020 and beyond. Or perhaps it can, but maybe it requires a certain type of Dem candidate, and arguably there aren't any in the pipeline in that mold. Clinton obviously wasn't the candidate that could do it.
That isn't to say the Dems can't win the White House (of course they can), but perhaps their best path going forward is going to be quite a bit different than Obama's path was.
