DAVID MARCUS: Why are we letting foreign foes use X payouts to wage war against us?

Imagine if, during World War II, the Germans had been able to pay millions of dollars to minor American celebrities to run pro-Nazi short films in U.S. movie theaters. It sounds absurd, but it is actually miniscule compared to what our enemies can achieve today through social media.

On Tuesday night, Alexis Wilkins, the girlfriend of FBI Director Kash Patel, dropped a stunning thread on X alleging that several high-ranking figures in the conservative politics orbit were engaged in a 22-month...