California Sen. Dianne Feinstein is in line to become the first female chair of the Senate Intelligence Committee. The opening was created Friday amid a chairmanship shuffle sparked by the announcement that Democratic Sen. Robert Byrd of West Virginia was stepping down as head of the Senate Appropriations Committee. A number of gavels will change hands as a result, sending the current Intelligence Committee chairman, Jay Rockefeller, D-W.Va., to the Commerce Committee, and opening up the powerful Intelligence Committee post for Feinstein, according to a former Hill aide who spoke on condition of anonymity because the deliberations were ongoing. Feinstein,...