Chris Perry (right) and Sandy Steer listen to President Obama on the phone
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Obama phone call to gay couple: 'Have a great celebration'

The US Supreme Court has overturned a federal law that defines marriage as a union between a man and a woman only.

The decision means that legally-married gay men and women are entitled to claim the same federal benefits available to opposite-sex married couples.

Chris Perry and her partner Sandy Steer shared their celebrations with US President Barack Obama when he made a call to gay rights campaigner Chad Griffin.

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