Kim Davis’ counsel moves to make her appeal a springboard for overturning marriage rights

A conservative legal group has filed a brief on behalf of a former Kentucky county clerk that it says could lead to the U.S. Supreme Court overturning the right of same-sex couples to marry.

Kim Davis, then the Rowan County clerk, made national headlines in 2015 for refusing to issue marriage licenses to several same-sex couples based on her religious beliefs.

Liberty Counsel, based in Orlando, Florida, and labeled a hate group by the Southern Poverty Law Center, filed the...