Nate Silver @NateSilver538
Second, the effects are highly nonlinear. If you're stuck near 0-1% in national polls, being in your home state isn't going to get you very far. Maybe you'll get 3% or 5% or 10% instead of 1%. But it's not going to get you to 30% or something. You need to have a pulse nationally. — PolitiTweet.org