Numbers game

Will it take 60 votes to pass a bill to drill in the Arctic National Wildlife Refuge? Or only 51? Environmentalists and Democrats were hoping the former, given the Senate’s arcane rules. But it seems that it may be that a number of GOP legislative priorities could need only a simple majority — if they pass muster with the Senate Parliamentarian that they have revenue or entitlement components, as part of the budget reconciliation bill. And the majority in the Senate gets to select the Parliamentarian …