In recent years, the threat of Trotskyist entryism has served as a bogeyman for some members of the Democratic Socialists of America — and a stated goal for others. But the history of the French Turn reveals a strategy that is only viable for Trotskyist organizations under very specific conditions. It is always doomed to fail within the DSA, which is essentially an appendix of the capitalist and imperialist Democratic Party. This analysis has important implications for how we approach the united front and revolutionary regroupment.