Authoritarians have long practiced the cynical art of manipulating information to stifle dissent and shape international perceptions of their regimes. But in the digital age, they are armed as never before, reaching into other countries to influence political discourse and spread conspiracy theories.

How should the United States counter these unrelenting, damaging campaigns by Russia, China, Iran and others? How should we reach out to global audiences inundated with disinformation and slick lies?