Sentence:  Not content with having in 1996 put a Defence of Marriage Act (DOMA) on the statue book, Congress has now begun to hold hearings on a Respect for Marriage Act. Defended, respected: what could possibly <WSD>ail</WSD> marriage in America? 
Meaning of the word marked with <WSD> tags:  To cause to suffer; to trouble, afflict. (Now chiefly in interrogative or indefinite constructions.)