With former New York City mayor Rudy Giuliani consistently leading early polls for the Republican presidential nomination, pundits have spilled an ocean of ink concerning his electability. Having recently sat down with the man, let me tell you why I consider Giuliani a candidate wholly appropriate for our times. As someone who spends a lot of time thinking and writing about globalization and security, I was brought in recently by the Giuliani campaign to discuss these topics with the mayor. This is standard practice as presidential candidates gear up, and Giuliani's camp is the fourth I've visited in the last...