By Eleanor Boudreau
http://stream.publicbroadcasting.net/production/mp3/wkno/local-wkno-899953.mp3
Memphis, TN – Every weekday about 41,000 Memphians ride public transit. They are some of the city's poorest residents with some of the longest commutes. Now the Memphis Area Transit Authority, or MATA, is changing the way it charges bus riders. Eleanor Boudreau reports.