Obama has many of his own troubles...like going to jail or Trump slaughtering the entire Democrat Party into political oblivion...”FOREVER”, which Obama will receive most of the blame and failure for the political death of the Democrat Party!!!
Even though Biden has taken the lead in the current Democrat Primary polls, Obama is smart enough to realize and understand that Biden is a walking moron, for the simple reason the Democrats do not have one single qualified POTUS Candidate to run against Trump for the 2020 POTUS slot!!! Obama will not touch or embrace Joe Biden at all. Poor Joe is dumb & toxic, too!!!