WASHINGTON POST: The past seven states to hold primaries registered more than 1 million new Democratic voters; Republican numbers mainly ebbed or stagnated. North Carolina and Indiana, which will hold their presidential primaries on May 6, are reporting a swell of new Democrats that triples the surge in registrations before the 2004 primary. The contest between Sens. Hillary Rodham Clinton and Barack Obama has engaged enough new voters to change the political makeup of the country, experts say. The next several months — and the general election in November — will reveal the extent of the shift. Is it a […]