The latter is an excessive and persistent fear of an object or situation that interferes with a person's ability to function or carry out desired activities, Dr. Barlow says.
"Senator Kerry denounces American action when other countries don't approve -- as if the whole object of our foreign policy were to please a few persistent critics, " Cheney said.
In another industry first, the Chimera architecture includes persistent tap-to-track technology, which allows users to touch the image of a person or object to focus on within a scene.