Early this year, the company LawnStarter ranked the best cities in the U.S. to live without a car. San Francisco came in at number one. Shreveport, Louisiana fell in last place -- number 150. Rochester was listed at number 37. What can lower-ranking cities learn from San Francisco in terms of walkability and access to public transit?This hour, we compare the scene in each of the three cities. Our guests: Jason Partyka , board member and chair of the Bus Work Group at Reconnect Rochester Liz