On this week's show...
* Thousands march nationwide on May Day for immigrant rights and an end to raids and deportations
* Environmental justice organizers kick off Biojustice 2007 in Boston
* Media Minutes gives this week's report on the intersection of media and democracy
* an interview with Staughton Lynd on Ohio's Supermax prison in Youngstown and the history of the Lucasville uprising
* and more in our local and global headlines
