For the last few months, William F. Weld's bid to become governor of New York has had a sharp thorn in its side: the outspoken opposition of the onetime kingmaker of state Republican politics, former Senator Alfonse M. D'Amato, who has said that Mr. Weld is "without any real experience" in New York. Yesterday, Mr. Weld struck back in force, telling how their feud dated at least to a 1996 encounter in which Mr. D'Amato gave him $750,000 in donations for his Senate campaign that year against John Kerry of Massachusetts. The donations, according to Mr. Weld, came with an...