St. Petersburg officials have made a pitch to keep baseball's Rays in their current location. Tampa Bay reporter Noah Pransky says development opportunities for the team near a new ballpark is the real attraction. Also- what were the politics behind the development of Dodger Stadium in Los Angeles?  Jerald Podair's new book examines Walter O'Malley's ballpark vision and how it helped create a modern Los Angeles. And- we continue our conversation with author Josh Pahigian, whose new book explores the hidden adventures in visiting major and minor league ballparks across America.