ANKARA, Turkey — President Recep Tayyip Erdogan on Monday threw his weight behind Turkey’s top Muslim cleric, who caused a storm by claiming homosexuality “brings disease and causes this generation to decay.” In his first sermon during the holy month of Ramadan on Friday, Ali Erbas also maintained that hundreds of thousands of people every year are exposed to HIV due to homosexuality and adultery and called on worshipers to come together to fight “this kind of evil.” Opposition and rights groups