"With those words, Cruz fired the first shot in a civil war that has cleaved Republicans in both chambers of Congress – a struggle that threatens the legitimacy of the Grand Old Party and the stability of the global economy. The fight has little to do with policy, or even ideology. It pits the party's conservative establishment against an extremist insurgency in a battle over strategy, tactics and, ultimately, control of the party. Each side surveys the other with distrust, even contempt. The establishment believes the insurgents' tactics are suicidal; the insurgents believe the establishment lacks the courage of its alleged convictions – while its own members are so convinced of their righteousness that they compare themselves to civil rights heroes like Rosa Parks. The establishment is backed by powerful business concerns with a vested interest in a functioning government. The insurgents are championed by wealthy ideologues who simply seek to tear down government. Both sides are steeled by millions in unregulated, untraceable 'dark money.'"