Maryland Sen. Chris Van Hollen says he will challenge Sen. Chuck Schumer for Democratic leader
Van Hollen said the party needs "new leadership" in social media post.
Maryland Democratic Sen. Chris Van Hollen says he will challenge New York Sen. Chuck Schumer for Senate majority leader in the new Congress.
In a social media post, Van Hollen said the party needs "new leadership" following the midterm elections in which Democrats won enough seats to take control of the chamber.

Jose Luis Magana/AP
"This isn't about any one person – it’s about answering that call," Van Hollen said in the post.
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