Silicon Valley currently has a serious case of flying car fever, but this isn't the first time enthusiasm for these vehicles has gripped the industry. This week, Bloomberg Technology's Alistair Barr and Aki Ito visit the man who's spent his entire life trying to turn his Jetson-like vision into reality. It's a story of unwavering and maybe even irrational optimism that's cost Paul Moller more than $100 million and led him to declare bankruptcy and face allegations of fraud. 

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