Why We Need a New and Very Different Opposition to the Democrats than the One We Have

William A. Galston and Thomas E. Mann:

The GOP's grass-roots obstructionists: For decades, the operational core of bipartisanship in Congress was the overlap between the parties. Through a long process triggered by the politics of the 1960s, that core has disappeared.... What The Post's editorial missed, however, is that these developments have not produced two mirror-image political parties. We have, instead, asymmetrical polarization.... More than 70 percent of Republicans in the...