"Heading into this week, I was prepared to vote to confirm Rep. Duffy. Our conversations were productive and encouraging, and I thought he was sufficiently qualified to serve as Transportation Secretary," Sen. Tammy Duckworth (D-Ill.) said in a statement. "But President Trump's sweeping order to freeze federal grant funding ... is illegal and hurting Americans in red and blue states alike, and I cannot vote to confirm a Transportation Secretary while transportation funding is being unlawfully withheld."