www.ted.com With maverick flair and a strategist's disdain for accepted wisdom, Jaime Lerner re-invented urban space in his native Curitiba, Brazil. Along the way he managed to revolutionize bus transit, awaken green consciousness in a populace accustomed to litter and blight, and change the way city planners and bureaucrats world-wide conceive what's possible within the tangled structure of the metropolitan landscape.