Years ago I had honor of hearing the inimitable Herman Cain speak. The "Hermanator" (as he is known) is an amazingly accomplished man of great learning, culture and refinement, all of which belie the poverty of his childhood. When you grow up in the south you may be poor, but your culture is rich. Cain used a story from that culture to illustrate what he feared as a growing threat to our nation.
He told the audience that if you wanted to boil a frog you had to observe a certain protocol. "You see" he said, "if you just boil some water and toss that frog in the pot, he'll jump right out. To boil a frog you have to put the frog in the pot with some cool water and gradually increase the temperature. Before the frog knows what happens – he's cooked."