1.   But in rendering ambiguity, this actress is a precision instrument, bringing emotional clarity to the shifting darkness of Pinter Land.

2.   But Peirce is angling for an emotional clarity, which she gets.

3.   One leaves the theater wondering where and when Ms. Fornes might next supply such a disturbing moment of emotional clarity.

4.   Smiley has wowed readers for years with her emotional clarity and her visual breadth, but nobody expected her to master the academic satire, too.