In an impromptu White House press conference on Friday, President Barack Obama spoke on his administration’s recent decision to file an amicus brief urging the Supreme Court to strike down Proposition 8, saying there is “no good reason” for a ban on same-sex marriage.

He was responding to a reporter who asked the president why he doesn’t “just argue that marriage is a right that should be available to all people of this country.”

Obama responded by saying: “What we’ve said is that same-sex couples are a group, a class that deserves heightened scrutiny. The Supreme Court needs to ask the state why it’s doing it, and if the state doesn’t have a good reason, it should be struck down. That’s the core principle, as applied to this case.”

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