U.S. Sen. Ben Cardin of Maryland, the top Democrat on the Senate Foreign Relations Committee, announced his opposition Monday to President Donald Trump's secretary of state nominee.
Cardin had said previously he was "deeply troubled" by Rex Tillerson's appointment, but he did not signal whether he would oppose or support his confirmation.
In an interview Monday, Cardin said that he wouldn't lobby his colleagues to join him in voting against the former oil company boss. Cardin said worries about policy on Russia played into his decision.
"I am very concerned about whether he would maintain, let alone strengthen, the sanctions against Russia for their...