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Update 3:24 p.m.: There will no decision on the hearings today. "The Supreme Court, after taking most of the day to prepare new orders, took no action Friday on the ten same-sex marriage cases now on the docket," reports the SCOTUS blog's Lyle Denniston. "The next opportunity for the Court to issue orders will be at 9:30 a.m. Monday," he adds.

Original: With Prop 8, DOMA, and more potentially on its new docket, the Supreme Court has America waiting for an announcement on which cases it will hear about the future of gay marriage. Depending on what the nine justices decide about their case load, same-sex marriages in California could get the federal stamp of approval today. Here's what you need to know:

Prop 8: The big thing here is if the Supreme Court decides to hear the case. If the justices don't take it up, they'll effectively be standing by the lower court's ruling, and gay men and women in California can start marrying, effective immediately, according to The New York Times. If the Court does choose to hear the Prop 8 case, then the justices will decide sometime early next year whether or not it violates the 14th amendment, with a ruling then expected by June.

The big thing here is if the Supreme Court decides to hear the case. If the justices don't take it up, they'll effectively be standing by the lower court's ruling, and gay men and women in California can start marrying, effective immediately, according to The New York Times. If the Court does choose to hear the Prop 8 case, then the justices will decide sometime early next year whether or not it violates the 14th amendment, with a ruling then expected by June. Diaz vs. Brewer (Arizona): Dana Liebleson has a good recap over at Mother Jones, and breaks down this case simply and succinctly:

If the Supreme Court does NOT decide to hear Diaz v. Brewer, unmarried same-sex couples employed by the state will continue to receive domestic-partner health insurance coverage while the lower case proceeds. If the Supreme Court does pick it up, the court will have to determine whether or not health coverage for these couples will stand while the Supreme Court case proceeds.