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The Lightbulb MomentDwight Eisenhower's interstate highway system was the biggest infrastructure project of its time, a bold plan to connect all corners of America and boost the post-war economy but it also ended up deepening the divide between rich and poor.

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Now PlayingThe Lightbulb MomentDwight Eisenhower's interstate highway system was the biggest infrastructure project of its time, a bold plan to connect all corners of America and boost the post-war economy but it also ended up deepening the divide between rich and poor.0The Lightbulb MomentEdison pioneered the world's first research and development center in Menlo Park and worked with a group of experimenters to methodically zero in on the holy grail of electric light.