Mark Blumenthal has a nice column on the statistical models generated by Poblano that out-performed the pollsters. It is worth reading.
Also, if you want to see me speaking with Australian Broadcasting about the NC and IN primary results, you can visit this site and click on the relevant story. The interview is about 9 minutes in length. If I look tired it is because I did the interview at 7:30am after staying up until 2am waiting for Lake County the night before.