Battle looms over bid to repeal same-sex “marriage” in NH “The magic numbers are 266 and 16 — two-thirds of the House and Senate, respectively — the number of votes needed to override what is expected to be Gov. John Lynch’s veto of any repeal bill. That’s assuming all 400 House and 24 Senate members are in attendance when the vote is taken . . . At 298 House Republicans, “I think we have more than we need to override a veto,” he said.