The problem with the Rasmussen poll showing Marco Rubio ahead of Charlie Crist
Excerpted from Nate Silver of 538.com: As many people have noticed, Rasmussen’s polls this year have tended to be more favorable to Republican candidates and causes than those of most other polling outfits. This does not necessarily imply bias. It could result from a whole number of things, ranging from the fact that they’re applying a likely voter screen when most other pollsters aren’t, to some sort of methodological quirk, to the fact that they’re just doggone right. But the…