465 U.S. 728 465 U.S. 728 104 S.Ct. 1387 79 L.Ed.2d 646 Margaret M. HECKLER, Secretary of Health and Human Services, Appellantv.Robert H. MATHEWS et al. No. 82-1050. Argued Dec. 5, 1983. Decided March 5, 1984. Syllabus Prior to 1977, spousal benefits under the Social Security Act (Act) were payable only to husbands or widowers […]