NPR's Michel Martin speaks with GOP strategist Tricia McLaughlin about how incoming presidential advisor Elon Musk helped hold up a federal spending deal, showcasing his growing political influence.

Mass., wants incoming presidential advisor Elon Musk to sign an ethics pledge. She speaks with NPR's Michel Martin about what she says are Musk's conflicts of interest.

Michel Martin: The emails from your office to the Trump transition ... Elizabeth Warren: Think of it this way… Elon Musk owns ...

Sen. Elizabeth Warren, D-Mass., wants incoming presidential advisor Elon Musk to sign an ethics pledge. She speaks with NPR's Michel Martin about... Sen. Warren urges Trump to hold Musk ...

Sen. Elizabeth Warren, D-Mass., wants incoming presidential advisor Elon Musk to sign an ethics pledge. She speaks with NPR's Michel Martin about what she says are Musk's conflicts of interest.

Michel Martin: The emails from your office to the ... Elizabeth Warren: Think of it this way… Elon Musk owns many companies, including Tesla, SpaceX, Neuralink and X. The federal government ...