Elon Musk acted as hype man for President Donald Trump at his farewell news conference at the White House by urging the assembled journalists to cheer a short video clip he played at the start of the event.

Elon Musk's tumultuous tenure will likely leave a lasting mark on the federal government. WASHINGTON — When Elon Musk announced that he was leaving the administration earlier this week, Trump was conspicuously quiet. But now the two men are scheduled to appear together on Friday in the Oval Office.