Prisoners of the Census: Telephone workshops on avoiding prison-based gerrymandering

"We're going to start doing workshops on prison-based gerrymandering via conference call. Peter Wagner will address the how to identify prison-based gerrymandering in proposed plans with a particular emphasis on using and interpreting the data.
Next call:  2pm (Eastern), Thurs, February 24"

http://www.prisonersofthecensus.org/call/ 

Events' details at the above referenced article.