On Nov. 8, every race for the House of Representatives will be in play as the two parties grapple for control of Congress. Republicans are favored, but the big question now is by how much. So some districts will count more than others as bellwethers signal more significant trends at work, political analysts say. Some…

On Nov. 8, every race for the House of Representatives will be in play as the two parties grapple for control of Congress. Republicans are favored, but the big question now is by how much. So some districts will count more than others as bellwethers signal more significant trends at work, political analysts say. Some…