100 years of Route 66 - is it worth celebrating?

It's 100 years since America's fabled highway 'Route 66' was commissioned -  the road from Chicago to L.A celebrated in literature and song. But behind the neon-lit diners and sunny road trips, lies a grittier history of danger, death and racism. Guest: Dr Daniel Milowski, historian at Arizona State University, author of 'Route 66 and the Formation of a National Cultural Icon: Mother Road to Mythic American Byway'Producer: Jack Schmidt