After a bumpy few years as chairman of the NRC, Gregory Jaczko announced today that he will step down as soon as a new chairman is confirmed. While serving on the NRC, Chairman Jaczko frequently disagreed with the other commissioners and pushed for stronger safety measures.
Links
Gregory Jaczko Resigns As Chairman Of Nuclear Commission (Bloomberg)
N.R.C. Chairman to Resign After Stormy Tenure (NYT)