Frey. Diversity Explosion: How New Racial Demographics Are Remaking America.
89
William Frey. “A Boomlet of Change”, Washington Post, 10 июня 2012 г.
90
Inglehart and Welzel. Modernization, Cultural Change and Democracy.
91
Pharr and Putnam. Disaffected Democracies: What’s Troubling the Trilateral Countries. Обсуждение этого вопроса применительно к США см. в книге Mann and Ornstein. It’s Even Worse Than It Looks: How the American Constitutional System Collided with the New Politics of Extremism.
