New York City sued for banning gay cure therapy.

Anti-LGBT law firm Alliance Defending Freedom filed the suit on behalf of Dr David Schwartz. (Image: Alliance Defending Freedom)

A New York City law banning gay cure therapy is facing a legal challenge from a anti-LGBT lobbying group.

New York City Council passed legislation in 2017 outlawing conversion therapy on minors in the city, before a statewide ban was passed in…