Chuck Schumer faces a formal challenge from Chris Van Hollen for Senate Democratic leader after Van Hollen accused him of siding with AIPAC.

WASHINGTON (AP) — Democratic Sen. Chris Van Hollen of Maryland said Thursday that he will run for Senate Majority Leader in the next Congress, setting up a challenge to Democratic Leader Chuck Schumer...

Democratic Sen. Chris Van Hollen of Maryland says he will run for Senate Majority Leader in the next Congress, setting up a challenge to Democratic Leader Chuck Schumer after the party swept to power in the midterm elections.