Sam Wang Back In The Saddle

++Today, Sam has the Democrats probability at 50%. He notes the median of the Iowa polls puts Ernst +.5-8% ahead--a dead heat.

++In the Senate, Democrats on track to win 48-51 seats.

++In the House, he says trends are more 2012, than 2010. The GOP will control the House but the question will be whether the Democrats win the popular vote like they did last time.