The president has showcased his spotty efforts to help Americans like aid worker Aya Hijazi, who was freed from Egyptian custody after Trump's intervention.
The rapper, who appeared on "The Celebrity Apprentice" in 2011, offered a swift rebuke of the president on Twitter this week.
The Democratic nominee had sought the blessing from leaders of the Boilermakers union to fend off claims that he is opposed to fracking.
"For the last four and a half years or so, we have been dragged through the wringer, and it is completely exhausting," the man behind Madea said.
"I can trust Joe Biden," McChrystal said, roughly 10 years after he bashed Biden, then vice president, in a Rolling Stone profile.
The president has used baseless voter fraud claims to justify his continued reluctance to fund the postal service ahead of the election.
Both pics may violate federal regulations that forbid government employees to use their positions, titles or authority to endorse products.
Democratic presidential candidate Joe Biden is raking in endorsements leading into the 2020 election. But are they worth anything to voters?
Sen. Bernie Sanders (I-VT) has thrown his support behind former Vice President Joe Biden for the democratic presidential nomination.
"I’m excited to help him defeat Donald Trump in November," the former Democratic candidate said.