Yeah I remember when I first started in this business in 1989. We got these big charts every month from the Fed. and had to figure out what they meant. I will blame Greenspan, for making the Fed Chairman position a media spokesman, now it is a joke.
Many factors causing the spike: http://econ161.berkeley.edu/Econ_Articles/theinflationofthes.html http://en.wikipedia.org/wiki/Stagflation