InsideClimate: Michigan regulators agreed last week to allow Canadian pipeline operator Enbridge Inc. [3] to replace a 160-mile segment of an aging line that in 2010 spilled more than a million gallons of crude oil. The decision by the Michigan Public Service Commission [4] disappointed local landowners who had hoped for more scrutiny and oversight of the project. "I am concerned with the haste with which this project has proceeded," said Jeff Insko [5], an English professor at Michigan's Oakland University who...