A New Jersey grand jury indicted the senior senator from New Jersey on Wednesday. Democrat Bob Menendez is the subject of an ongoing federal investigation regarding whether he improperly advocated on behalf of a private business. If Menendez were to step down, New Jersey Governor Chris Christie would appoint someone to take his place, which would likely widen the Republican majority in the Senate.
Menendez was re-elected in 2012 and ran unopposed in the state's closed partisan primary.