11.   The bipartisan Glass Ceiling Commission has now reported that, yes indeed, there is such an invisible barrier.

12.   The buckskin ceiling is what some American Indian artists call the invisible barrier that keeps them from rising to the top of their field.

13.   Whatever invisible barrier exists between the spectacular and the transcendent, Bryant stepped into another world Wednesday night.

14.   It was like an invisible barrier which had pressed around the local media for decades had been pulled down.

15.   Many people perceived the invisible barrier in the career of Boutros Boutros-Ghali, the former U.N. secretary-general and a Copt.

16.   What is this invisible barrier that bars its way?

17.   Astle dug himself in during the disastrous morning session and when Morrison joined him an invisible barrier seemed to go up around the stumps.

18.   But Washington has demanded the Seoul government eliminate invisible barriers and buy foreign cars for official use as a tactic to overcome the negative consumer perception.