President Trump's decision to change Elon Musk's pick for NASA administrator led to a historic rift between the two men due to political donations and personal tensions.
Key Points
President Trump withdrew Jared Isaacman's nomination as NASA administrator after learning about his donations to Democrats
Elon Musk and President Trump had a tense relationship over the nomination
Sergio Gor, in charge of White House personnel, played a key role in the nomination withdrawal