The problem is that when polls are wrong, they tend to be wrong in the same direction. If they miss in New Hampshire, for instance, they all miss on the same mistake.
Nate SilverIf you're keeping yourself in the bubble and only looking at your own data or only watching the TV that fits your agenda then it gets boring.
Nate SilverDistinguishing the signal from the noise requires both scientific knowledge and self-knowledge.
Nate Silver