A Colorado environmental group is reviving a push to get an anti-fracking measure on the U.S. state’s November ballot, just two weeks after a prior sponsor said it was halting its efforts because of the coronavirus pandemic. The drive marks the third try in four years to tighten drilling regulations in the fifth largest U.S. oil-producing state. It also could become an issue in the Democratic primary race for U.S. Senate pitting former Governor John Hickenlooper against Andrew Romanoff, a former state representative who supports the anti-fracking measure. Hickenlooper, who did not reply to a request for comment, has been criticized by some voters as being too supportive of the oil and gas industry. Colorado Rising, an environmental group, in early June dropped its plan to get a measure on the ballot that would have tightened oil and gas regulations, including proposals to increase the distance […]