ClimateWire: Cape Wind is riding on a string of recent victories, but it could still get blown off course. Supporters cheered last week when Interior Secretary Ken Salazar signed a lease for the 130-turbine project planned off the shores of Cape Cod, Mass. But one of the biggest hurdles lies ahead. By mid-November, state regulators are expected to make a decision about a contract between the utility National Grid and Cape Wind to buy half the wind farm’s power. Without a yes verdict, …