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The Boston Globe

Nation

Gay marriage momentum could affect top court cases

Kennedy viewed as crucial justice by both sides

WASHINGTON — Three US states and three countries have approved same-sex unions just in the two months since the Supreme Court heard arguments on gay marriage, raising questions about how the developments might affect the justices’ consideration of the issue.

In particular, close observers on both sides of the gay marriage divide are wondering whether Justice Anthony Kennedy’s view could be decisive since he often has been the swing vote on the high court.

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