Sen. Dianne Feinstein said Thursday that she favors legal immunity for telecommunications companies that allegedly shared millions of customers' telephone and e-mail messages and records with the government, a position that could lead to the dismissal of numerous lawsuits pending in San Francisco. In a statement at a hearing of the Senate Judiciary Committee, which is considering legislation to extend the Bush administration's electronic surveillance program, Feinstein said the companies should not be "held hostage to costly litigation in what is essentially a complaint about administration activities." She endorsed a recent statement by Sen. Jay Rockefeller, D-W. Va., chairman of...