Overview Regional institutions and initiatives have proliferated in the twenty-first century. This latest wave of regional innovation raises, in new guise, a long-standing conundrum for global ord…

Overview How much Iranian nuclear capability is too much? The simplest answer is that any amount is unacceptable. But it is far from clear that zero enrichment is a realistic goal. To help illumin…

Overview How would the Arab states of the Middle East react if Iran were to acquire a nuclear weapons capability? In this Working Paper, sponsored by the Carnegie Corporation of New York, Michael …

Overview Corporate average fuel economy (CAFE) standards, which require automakers to achieve government-mandated targets for the efficiency of the vehicles they sell each year, can reduce U.S. re…