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Nate Silver @NateSilver538
It's all been within the range of 50/50, and 51/49 one way fundamentally isn't much different than 51/49 the other way, but still the first GOP lead by any margin in our Senate forecast since July. https://t.co/ImBoBkGHdD https://t.co/UOyf8wT8eJ — PolitiTweet.org