Anderson, Poul. "When Free Men Shall Stand"
Divergence: 1797 CE
What if: Lucien Bonaparte convinced Napoleon to consolidate the French hold on Europe rather than invade Egypt. Later, the French won at Trafalgar.
Summary: In 1849, Sam Houston talks history with a French diplomat during the battle for New Orleans in the Second French-American War.
Published: In What Might Have Been? Volume 3: Alternate Wars (eds. Gregory Benford and Martin H. Greenberg), q.v.