OKLAHOMA CITY (AP) — Gay-rights advocates in Oklahoma launched a campaign Monday to stop a bill they say will codify the ability of religious-based adoption agencies to discriminate against same-sex couples seeking to adopt.

Faith-based groups including the Catholic Conference of Oklahoma and the Baptist General Convention of Oklahoma are among those pushing Senate Bill 1140 , which would protect child-placing agencies that block adoptive parents who do not meet the agency's religious or moral standards.

Similar laws have been passed in at least seven other states, including Alabama, South Dak...