Ian Bremmer's Quick Take: A Quick Take to kick off your week, and what an extraordinary geopolitical environment we all find ourselves in right now.

The big macro lens is that the United States, my country, has become the principal driver of geopolitical uncertainty on the global stage. The most powerful country in the world, the biggest economy in the world, the home of the global reserve currency. And yet, at the same time, by far the most dysfunctional and kleptocratic and unfree political system of the advanced industrial democracies, so the G7 plus, compared to Japan or Germany or France or the UK or Canada, Australia, New Zealand, South Korea. That's what we're looking at right now. And of course, that's a really challenging thing for pretty much everybody to navigate.