Either President Obama has a good chance of winning next year, or he doesn’t

Nate says odds are slightly leaning against Obama.  Center for Politics says Obama has a good chance of winning.  Brendan Nyhan says it's too early to tell - a lot will depend on economic growth next year, and he has a nifty chart showing each Republican candidate's chances of beating Obama depending on GDP growth in 2012. (h/t Political Wire)