<p>TOLEDO, Ohio -- Presidential candidate John F. Kerry said yesterday that he supports amending the Massachusetts Constitution to ban gay marriage and provide for civil unions for gay couples.</p>
<p>In his most explicit remarks on the subject yet, Kerry told the Globe that he would support a proposed amendment to the state Constitution that would prohibit gay marrriage so long as, while outlawing gay marriage, it also ensured that same-sex couples have access to all legal rights that married couples receive.</p>