Republicans pounced on President Barack Obama ‘s plan to reduce carbon emissions by 30% by 2030 as a job-killing sop to his environmental donors, while Democrats ran the gamut from embracing the Environmental Protection Agency’s rule to quickly backing away from it. The split between the unified GOP and split Democratic Party exemplifies the differences in the two parties in 2014. Republicans are rock solid in opposition to green regulations that may slow the economy—and more broadly to most anything Mr. Obama proposes. But Democrats find themselves choosing from Mr. Obama’s policies like an a la carte menu—embracing the ones that work back home while criticizing the ones that don’t. On the Republican side Monday, House Speaker John Boehner (R., Ohio) said “the president’s plan is nuts,” while Senate Minority Leader Mitch McConnell (R., Ky.) called the proposed rule “a dagger in the heart of the American middle class, […]