Strong states and blocs of strong states are the only source of power and legitimacy capable of driving an international agenda in today's world.

The developed world should neither shelter nor militarily destabilize authoritarian regimes unless those regimes represent an imminent threat to the national security of other states. Developed states should instead work to create the conditions most favorable for a closed regime's safe passage through the least stable segment of the J curve however and whenever the slide toward instability comes. And developed states should minimize the risk these states pose the rest of the world as their transition toward modernity begins.

The two world wars boosted American power and devastated potential rivals to an extent that could not have lasted more than a few decades.

The United States is not longer going to be the world's policemen and our days of determining you're in or you're out around the world no matter what the level of direct American interest or connection are going to be very limited. Increasingly, Africa will be doing that.

Berlin is a very edgy place, a very cosmopolitan place. It's a place where completely different ideas and cultures come together and clash in a very warm way. In a very warm-hearted way.

Political scientists don't work at banks which is a problem. As political issues become more important for the markets, analysts at banks are asked all sorts of questions they don't have the ability to answer. And if you're getting paid to answer questions as analysts at banks are you never want to be in the position of saying you don't know.

There is always the risk that a conflagration in the Middle East becomes larger and more dangerous. In this scenario, we discover that the Arab Spring was merely the prelude to a deeper and much farther-reaching upheaval in the region that has greater impact on countries like Iran and Saudi Arabia.