Key GOP senators on cyber issues locked in close re-election races

Senate Intelligence Chairman Richard Burr (R-NC) and Homeland Security and Governmental Affairs Chairman Ron Johnson (R-WI) remain in close races three weeks before Election Day, with Burr maintaining a slight lead in his campaign while Johnson appears in some polls to have closed within a few points of his challenger after trailing badly for months.

Other Republicans on those two committees – which claim the largest share of jurisdiction over cybersecurity issues in the Senate – also continue to face...