Senator Elizabeth Warren (D-Mass.) sent a letter to President-elect Donald Trump Tuesday questioning the potential conflicts of interest in having billionaireElon Muskas an advisor to the new White House team.

What Happened:Warren, who has clashed with Trump and Musk previously, took aim at Musk's new role in the Department of Government Efficiency, also known as D.O.G.E. in the letter.

"I write regarding concerns about the dual roles played by Elon Musk in your transition and the need to resolve his conflicts of interest if he wishes to continue serving as a...