A flag is seen overlaying a program for a ceremony in late November to mark the signing of Illinois Marriage Equality Legislation in Chicago. As 2013 came to a close, New Mexico became the latest state to legalize same-sex marriage. Court cases on marriage are on the horizon in Michigan and Nevada for 2014. (CNS photo/Jim Young, Reuters) (Dec. 20, 2013) See YEAREND-SAMESEX Dec. 20, 2013.