Elon Musk has donated $10 million to a candidate in the Senate race in Kentucky to replace Mitch McConnell, who is retiring at the end of his current term.

President Donald Trump’s endorsement of U.S. Rep. Barry Moore in Alabama’s U.S. Senate race made Moore the favorite in the high-stakes campaign, a political analyst said. Others said the endorsement gives Moore a boost but note that Trump’s picks have not always won in Alabama.