>https://www.westernjournal.com/trump-obama-hasnt-endorsed-biden-knows-something-dont-know
In fairness, Obama did not endorse his former secretary of state, Hillary Clinton, until June 2016, after she had secured the number of pledged delegates needed to win the nomination.
Also because 'He Knows Something That You Don't Know'
Apparently out on bail. At least the video clip would indicate that.