ClimateWire: Senate Democrats are searching for a way to entice the utility sector to sign on to an industrywide emissions cap in a final bid to salvage President Obama’s goal of pricing carbon this year. Sen. John Kerry (D-Mass.) told reporters yesterday that conversations between Democrats and utilities are ongoing and that he remained optimistic that they could strike a deal. Convincing the electric power industry to back a scaled-down carbon cap as part of a utility-only proposal is widely …