Rasmussen does not prove that Obama is a turd or that Newt is not a turd.
The election will take place in November of 2012. Many things, especially, but not limited to, third and fourth party candidates could happen between now and then. Newt has not received the GOP nomination, and this may never happen.
People hate Gingrich because he is a smartass. The more he opens his mouth, the more they hate him.