Apart from his misunderstanding ofstatistics - or the"law of probabilities", as he put it - another point to consider is that the different leaders have different types of cancer, and the biological mechanisms behind each are different.
Learning about the distribution of earthquakes may not prevent the Big One, but for war and terrorism, power-law statistics may teach governments something about how to defeat the enemy, and make war less deadly.
As reported by the U.S. Bureau ofStatistics in 2008, 73 federal law enforcement agencies then employed approximately 120, 000 armed full-time on-duty officers with arrest authority.