Tech privacy ally Feingold leads in Wisconsin Senate race

By Dustin Volz WASHINGTON (Reuters) - Next month's Senate election in Wisconsin could gain Silicon Valley a key ally in Washington in the high-tech industry's battle against the U.S. government's growing appetite for more access to private data. Democrat Russ Feingold, 63, the only lawmaker to vote against the USA Patriot Act in 2001, leads incumbent Republican Senator Ron Johnson in the state in opinion polls ahead of the Nov. 8 election. Johnson, 61, rode a wave of support from conservative Te