SAN FRANCISCO (AP) - The campaign committee that spent $35 million last year backing California's novel $3 billion stem cell initiative plans to use its considerable fund-raising prowess to fight a federal bill seeking to ban all forms of human cloning. Robert Klein II, the wealthy Palo Alto housing developer who chaired the campaign, said the organization intends to raise $1 million to fight Sen. Sam Brownback, R-Kansas, and his anti-cloning allies in the Senate. A Brownback spokesman declined comment. Brownback is sponsoring legislation that would ban the cloning of human embryos for any reason, including medical research. Such a...