Busby, F.M. "Tundra Moss"
Divergence: 1941 CE
What if: Victim of a minor stroke in late 1941, FDR was unable to resist congressional and public pressure for a Japan First war policy.
Summary: Japanese saboteurs land on Amchitka just as orders for a crucial American offensive are being transmitted down the Aleutians via secure cable.
Published: In What Might Have Been? Volume 3: Alternate Wars (eds. Gregory Benford and Martin H. Greenberg), q.v.