CANADA: Put Up or Shut Up

This week in Washington, the vast, controversial St. Lawrence seaway project was back in the news. The seaway, a $935 million plan, which would open the North American heartland to ocean shipping and release a mighty flow of new electric power, has been kicked around between planners, engineers and hard-boiled lobbyists for half a century. Now President Truman is sending his top men (headed by Secretaries Acheson and Marshall) to make a positive case for the project before the House Public Works Committee. Reason: the seaway's vital importance to Western defense, and, incidentally, to U.S.-Canadian unity.

The chance for congressional...