(Community Matters) 538’s Nate Silver on Palin’s speech:
Virtually all of the conservative commentariat, and a greater-than-would-care-to-admit-it share of the liberal commentariat think that Sarah Palin hit a home run tonight. I guess I’m just going to have to stick my neck out (along with Josh Marshall) and disagree.
You can tar-and-feather me with this later if I’m wrong. I will make this disclaimer: I’m not necessarily offering a prediction about how the polls are going to move over the next several days. Almost all conventions produce bounces, and this one probably will too (though whether it comes from Palin’s speech rather than McCain’s, or Fred Thompson’s or Rudy Giuliani’s, we probably won’t be able to tell). But I don’t think the speech will be effective beyond the very near term (the next 3-7 days) at moving votes in McCain’s direction, if it moves them at all. And here’s why: continued here