The U.S. House of Representatives narrowly passed a massive overhaul of the American health care system Saturday night by a vote of 220 to 215. One Republican, Rep. Joseph Cao of Louisiana, crossed the aisle, while 39 Democrats joined the Republicans in opposing the measure. House Speaker Nancy Pelosi called passage of the bill "an historic moment for our nation and for America's families," while Republicans warned that the bill will raise taxes, increase insurance premiums and make cuts to Medicare. An enormous round of applause broke out throughout the House chamber when the crucial 218th vote was cast to...