When ‘national security’ becomes a political excuse, we all lose  

USA TODAY - For more and to sign up click here Stephen Heifetz, opinion contributor The proposed acquisition of U.S. Steel, an iconic U.S. corporation, by Nippon Steel of Japan has drawn unusual attention from Washington, putting the fate of the deal in doubt. Reporting about a secretive government review of the acquisition suggests a final decision will be made shortly after the election, but the troubled status…