Gay
Rights -- from Public Agenda, an organization that "unbiased
and unparalleled research that bridges the gap between American
leaders and what the public really thinks about issues ranging from
education to foreign policy to immigration to religion and civility
in American life."
Pew Forum on Religion &
Public Life: Gay Marriage -- This nonpartisan organization
provides information (news, backgrounders, polls and surveys), but
takes no position on "issues at the intersection of religion and
public affairs".