1.   There is much in the ordinary world that we do, and have to do in order to act within it, take for granted.

2.   But if ethics is doing its job well, and not just acting as moral legitimator and research cheerleader, it should be causing trouble.

3.   Legal experts said the F.D.A. had little choice but to act as it did.

4.   Nor does acting the crybaby.