According to The Huffington Post’s Senate model, which relies on the polls aggregated in HuffPost Pollster charts, there’s a 55 percent chance that the Senate will swing completely over ― and a 23 percent chance that it’s tied at 50 seats for each party. That means there’s a 78 percent chance that the Democratic Party could get 50 or more seats.
Source:
http://www.huffingtonpost.com/entry/...b0b51733a3cda0