As troubling as an Iranian nuclear weapon would be, it is unlikely that it would be as catastrophic as yet another American-involved Middle Eastern/South Asian war. By the way, where does Syria fit in the picture?
A quick glance at the global blogosphere and it's clear who the world wants for president: Barack Obama. The international community likes his charisma, foreign policy, take on the issues, and that he's so different from Bush.
Today's transnational communications environment is such that Obama's embrace of dialog is more likely to succeed. The days have passed when the U.S. could command enough airwaves to simply silence competing points of view.