But because Bush won more states, that leaves the Democrats with too narrow a base, especially in the Senate, which magnifies the influence of the Republican-leaning small states. Without a bigger battlefield, the Democrats are doomed to lasting minority status in Congress. For Democrats, these two problems are intertwined. Democrats probably can't regain much congressional ground in the red states until they elect a president who can improve the party's image there. The need is greatest in the South, where the GOP's crushing, 18-seat advantage in the Senate and 40-seat spread in the House provide the margins of majority. Reversing...