Why do people in countries with less freedom decide to rebel? On the other side of the coin, why do some people seem to willingly live under repressive regimes for years, even generations? Further, what is the impact of even minimal contact with a more open style of government on regions that eventually succumb to authoritarian rule? These are not idle academic questions but are rather dynamic inquiries into nation-building that are playing out today.

Imagine a scenario where Politician A is reported to have said something politically damaging in a closed-door meeting. However, the news of this indiscretion is reported by members of the opposition party, with the members of Politician A’s party vehemently denying the accusation. Who would you believe? Would you lose faith in the politician, or would you blame extreme polarization for the political theater that you just witnessed?

In 2010, following the coalition surge in Afghanistan, a small and highly mobile rebel squad of Taliban fighters was able to monitor and assess weaknesses at one of the coalition’s forward bases in Uruzgan province. These insurgents, who were armed with an arsenal of rockets, strategically attacked the base at particular times of the day when it was more vulnerable.

Understanding the changing media environment and its impact on our society and political climate is...