Eklund, Gordon. "The Karamazov Caper"
Divergence: 1486 CE
What if: Pope Innocent VIII was assassinated in 1486 and his successor suppressed knowledge of Columbus's voyage. Later, Bering "discovered" the Americas.
Summary: 400 years later, tsarist agent Leon Trotsky investigates the ritualistic murder of a babe near Seattle.
Published: In What Might Have Been? Volume 4: Alternate Americas (eds. Gregory Benford and Martin H. Greenberg), q.v.