This year's heavy volume of automated political phone calls has infuriated countless voters and triggered sharp complaints from Democrats, who say the Republican Party has crossed the line in bombarding households with recorded attacks on candidates in tight House races nationwide.... An Ohio woman, who did not leave her name, called The Washington Post in tears yesterday, saying she could not keep her phone line open to hospice workers caring for her terminally ill mother because of nonstop political robo-calls. Pamela Lorenz, a retired nurse in Roseville, Calif., called her own experience "harassment as far as I'm concerned" and said,...