Gov. John Hickenlooper, right, listens as Rep. Jared Polis (D., Colo.) speaks at a Monday news conference. Associated Press DENVER—A last-minute agreement on Monday between two of Colorado’s top Democrats would keep off the November ballot a pair of anti-fracking measures that some in the party feared would weaken its candidates on Election Day. Under the deal, Democratic Rep. Jared Polis will drop his support for two ballot initiatives that would limit fracking, even though the congressman has spent millions of dollars of his own money on the effort. The lawmaker instead will support a new plan from Gov. John Hickenlooper to have a commission advise the state legislature on the best ways to address residents’ concerns about oil and natural-gas drilling. Groups aligned with Mr. Polis and critical of fracking have been pushing for ballot questions to limit the drilling practice, which prompted pro-industry groups to push a […]