New threats to freedom

"In the twentieth century, free people faced a number of mortal threats, ranging from despotism, fascism, and communism to the looming menace of global terrorism. While the struggle against some of these overt dangers continues, some insidious new threats seem to have slipped past our intellectual defenses. These often unchallenged threats are quietly eroding our hard-won freedoms, and, in some cases, widely accepted as beneficial"--P. [4] of cover.