Can you outsmart the slippery slope fallacy?

It's 1954. Vietnamese nationalists are on the verge of securing an independent Vietnam under communist leader Ho Chi Minh. U.S. President Eisenhower claims that by virtue of the "falling domino principle," communist control of Vietnam would lead to the global spread of authoritarian communist regimes. Can you spot the problem with this argument? Elizabeth Cox explores the slippery slope fallacy. [Directed by TOGETHER, narrated by Jack Cutmore-Scott, music by Massassauga].