Senate control could hang in limbo for weeks after Election Day

Senate leaders could be guessing who will control the chamber well into November, thanks to a slew of tight races and state-specific voting rules.Why it matters: A GOP majority would ease the pressure on Senate Majority Leader John Thune to move quickly on nominations, while a Democratic majority would give Senate Minority Leader Chuck Schumer more leverage in the lame-duck session.If the chamber splits 50/50, leaders will have to start negotiating their power-sharing agreement.Zoom in: Four states could leave the majority in limbo.Alaska: Sen. Dan Sullivan (R) is trying to fend off former Rep