Van Hollen to challenge Schumer for Senate Democratic leaderAn Associated Press report on Yahoo News says Sen. Chris Van Hollen of Maryland will challenge Chuck Schumer for Senate Democratic leader in a secret-ballot election in early December 2026, the first contested race for the post in decades. Schumer says he has the votes to win, while Bernie Sanders and Sen.-elect Abdul El-Sayed back Van Hollen, who has criticized Schumer's ties to special interests.