Univision is one of the sponsors.
The archdiocese of Los Angeles is also pushing it.
ACT NOW: National Call-In Days for CIR [Comprehensive Immigration Reform]
http://jpnewsblast.folders.la-archdiocese.org/Special%20Newsblast%20--%20May%202,%202007-15102375.EML/
Dear Advocates of Comprehensive Immigration Reform,For more information about the Office of Justice and Peace, please visit our website at:Keep the momentum for immigration reform surging ahead - call this number and follow the instructions to connect to the offices of your Senators:
Para escuchar las instrucciones en español, por favor use el siguiente número: 1-800-882-2005
Tell your Senators: ACT NOW IN FAVOR OF COMPREHENSIVE IMMIGRATION
[snip]