With his new book "A Brief History of a Perfect Future..Inventing the World We Can Proudly Leave Our Kids by 2050",  author and futurist Chunka Mui informs us how rapidly advancing technology can solve many problems including mobility and transportation.  The questions?  And a surprise offer from Chunka (keep listening) ...in Episode 238 of Smart Driving Cars with Princeton's Alain Kornhauser & co-host Fred Fishkin.