... the call were Mike Honda and Yvette Clarke. Some of the groups involved were (per Chris Good):
National Association of Evangelicals, Faith in the Public Life, the Sojourners (Jim Wallis), the Protestant Interfaith Immigration Coalition, the Catholic coalition Justice for Immigrants, and the Jewish immigration reform coalition We Were Strangers Too.
... and include: Nydia Velazquez, Yvette Clarke, Mike Honda, Lynn Woolsey, Judy Chu, Joseph Crowley, Pedro Pierluisi (Puerto Rico), Jared Polis, Jan Schakowsky, and Jose Serrano.
12/15/09 UPDATE: Per this, Gutierrez claims he has 80 co-sponsors, and his press conference including young people wearing t-shirts saying "Future Voter". Guess which party they'll be voting for. And:
One key Republican...