Transport: Rift Bridged

Eons before Franklin Roosevelt strewed Canada's broad Laurentian slope with fistfuls of international amity (see p. 9), Ice Age glaciers had been over the place, scupping out the wide St. Lawrence river bed and garnishing it, like a great dish of trifle, with thousands of inviting islands. Since then many men have visited the Thousand Islands—legendary tribes of gravel-knoll dwellers, red-paint people; then Indians and white men—but until one day last week no summer sightseer could drive through them in his automobile.

On that day. President Roosevelt and Prime Minister W. L. Mackenzie King...