It’s the blue state blues. Democratic strongholds New York and California will lose a combined six congressional seats after 2030 to the booming Sun Belt, according to an analysis of census figures released Tuesday. The Redistricting Network projected that New York state will lose two more seats in the House of Representatives in the next decade because of stagnant population growth, which critics say is more evidence of an Empire State in decline. And Americans are no longer California dreamin’ after decades of population growth — with the Golden State projected to lose four seats, the analysis said. By contrast,...