1.   But in politics as in life, self-preservation is the primal instinct, and at the moment many Democrats feel threatened, not protected, by their president.

2.   Pielmeier sticks in some talk about the primal instincts of violence versus civilized problem-solving.

3.   Psychologist Daniel McRee said that the magnitude of the attacks on the World Trade Center and Pentagon brought out primal instincts that also help explain the baby boom.

4.   Using techniques that blend cinematic effects with theatrical illusion, she manages to tap into our most primal instincts, to mine our most basic fears and desires.