A new Connecticut Supreme Court ruling is adding to the debate on whether gay marriage rights should be applied retroactively and qualify same-sex couples for rights and benefits for which they weren’t entitled before state laws allowed them to marry. Although no states that allow gay marriage have made their laws retroactive, many same-sex partners believe they should have received Social Security survivor payments, tax breaks, inheritances and other benefits that were afforded only to heterosexual married couples before gay marriage laws were passed. …