The Nate Silver Model

Using the Silver-Zogby spat as a starting point, Jim Manzi details how "538 has created a real business model problem for pollsters":

Silver intelligently combines multiple polls to make more accuratepredictions than are usually achieved by any one individual pollster.On one hand, the math of this is irresistible – in the real world,voting models often work. On the other hand, it would be prettyuncomfortable for a pollster to combine his own results with variouscompetitive poll results to...