We are the only major developed nation that isn't investing meaningfully in high-speed rail, and I believe we're making a mistake. Transportation systems that are fast and efficient and environmentally clean are going to enable the formation of these new mega-regions, the heart of the spatial fix. We need to be able to accelerate the movement of people, goods, and services - the very movement of ideas, knowledge, and creativity - between our major population centers. We have to build these links.

Toronto won't topple New York or London as a financial center, nor will it dethrone Los Angeles as the international entertainment capital, but with its large and stable banks, numerous knowledge-based industries thriving in the surrounding mega-regions, and an increasingly diverse population, it will gain ground. And with employment opportunities in the largest centers eroding, it can make a big move on top global talent. It stands as a model of an older, once heavily industrial Frostbelt city that has not only turned itself around but continues to grow and thrive.

There's no getting around the fact that some cities face long odds, and governments and societies are going to be confronted with some hard decisions. Most importantly, cities have to recognize that in times of crisis they have to help themselves. Governments, no matter how well intentioned, can only do so much, especially when they themselves are so strapped for cash, as the U.S. is now. Government money will probably flow to cities and regions with good prospects for the future, so as not to risk money even further by pouring it into stalled economic models.

Economies and societies invariably remake themselves in the wake of a crisis. It's a necessary component of rebound and recovery. Outmoded industries and tired consumption habits make way for new goods and services, new careers and forms of employment, and population realigns itself in the landscape. All these developments are connected to lifestyle changes.

We have to acknowledge that we can't look to manufacturing or natural resources to drive growth like we have in the past. Human capital, talent, and knowledge are our most important resources now. Every city has hidden seeds of opportunity waiting to be nurtured. Places like Detroit, Cleveland, and Pittsburgh are among my favorite cities. They have great universities, clusters of innovation across a range of industries, and pools of innovative and creative talent to build on.

Already, new forms of short-term and long-term rental housing are popping up in some metro areas. You can take on a house or apartment for a few months or even a year or two in developments that are striving to provide critical elements of community - schools, healthcare, social and cultural institutions - even for people who are living there only temporarily. People invested in a home, mortgage, or community are less likely to move to more economically vibrant locales. That kind of entrenchment is going to be an impediment to the coming spatial fix.

Snoop is a tour de force! It’s one of the smartest and most original books I’ve come across in a long time. I devoured it and then rushed over to clean up my desk and change my iPod playlist.