In the trial, two same-sex couples argue that the state ban violates equal protection rights under the United States Constitution.

VOA: special.2010.02.06

Several countries,mostly in Europe, offer different levels of marriage rights to same-sex couples.

VOA: special.2010.02.06

that domestically, it would create happy families because married couples could enjoy sex without fears of unwanted pregnancy;

VOA: standard.2010.05.12

We believe that opening it up to same-sex couples will strengthen, not weaken, the institution.

BBC: Gay marriage an important step forward, says PM

Same-sex couples with children may or may not be allowed to file as heads of household.

FORBES: DOMA's Tax Hassles for Same-Sex Couples

The bill, if passed, will allow same-sex couples, who can currently hold civil ceremonies, to marry.

BBC: Gay marriage: Commons passes Cameron's plan