The legalization of gay marriage in New York now falls squarely on the shoulders of Republican state senators under intense political pressure from the important Conservative Party and internal polling that shows growing, but not necessarily majority, support for same-sex marriage.

They know that not just the national gay marriage movement, but their own careers, may hinge on their vote.

But before that vote can happen on Thursday or Friday, the Republicans will return to a closed-door caucus to decide whether to send Gov. Andrew Cuomo’s bill to the Senate floor. The vote on the bill appears to be a tie, with at least two Republicans saying they are undecided.

Approval of the measure late Wednesday night by the Democrat-led Assembly only compounded the political pressure as national advocates camp out in Albany for the vote they hope will put the gay marriage campaign back on track in other states. The legislative session is scheduled to end Monday.

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