Right now, the race has been framed as Trump v. Anti-Trump. Biden has not been defined yet. Trump has to hammer Biden as being a placeholder for the radical left that will take over if he is elected. He has to tie Biden to Bernie’s radical left agenda, which Biden has signed onto, whether Biden knows it or not.
Once Biden is defined properly, Biden’s poll numbers are going down.
Biden must be defined over and over again as a tool of the Left, PT had a new commercial out that is better than the one before.