11.   But it was not until the arrest this weekend that the existence of another mole had ever been more than theoretical possibility.

12.   Guzman concentrated on that case because there is at least the theoretical possibility that some victims could be alive as kidnapping victims.

13.   In the more complex world of high-technology devices, combining a host of technical features into a single unit is almost always a theoretical possibility.

14.   Like the tiny, undetectable explosive device, a static spark is a theoretical possibility.

15.   The successful experiment creates at least the theoretical possibility that humans could be cloned, raising ethical and philosophical questions.

16.   This is not just a theoretical possibility.

17.   Unmarried chief executives are a theoretical possibility, but rarely found in nature.

18.   While any billionaire with a yen for power is a theoretical possibility, the most likely buyers are other power companies, according to the utility and its regulators.

19.   If such early signals exist, said Beroza, there is the theoretical possibility of predicting earthquakes.

20.   It still exists as a theoretical possibility in military courts.