The “introduction” that Columbia University’s president Lee Bollinger gave the leader of Iran after the university had invited him to speak there has attracted much attention. Writing in the Nation, Jayati Vora says:
In his statement, combative and unduly vicious, Bollinger accused his invited guest of being nothing more than a “petty and cruel dictator,” of having a “fanatical mindset.” He claimed that this exercise was valuable in knowing one’s enemies and understanding “the mind of evil.”

There is a strong (negative) correlation between infant mortality and life expectancy, as can be seen from this graph, where each dot represents the data for a country, along with a linear regression line. The implication is clear that the best way to improve life expectancy is to reduce infant mortality. The reason that many developing countries have high infant mortality rates and resulting low life expectancy is that lack of access to clean water results in diarrhea and this leads to dehydration, which is often fatal for infants. (As an aside, the international conglomerate Nestle deserves widespread condemnation for its