But how will we know when the glass ceiling has gone.

Down below, at the plant level, she has not come up against a glass ceiling.

It is what some people call "the other glass ceiling."

"The question is, Are we going to break that glass ceiling this time?"

I thought for a while your business plans on the other side would serve instead, but there's the glass ceiling again: you're a woman.

The glass ceiling does not exist because they don't let it.

Above it was what looked like a hole in the glass ceiling.

Strike a glass ceiling hard enough and it will break.

And parents would live forever, the most effective glass ceiling of all.

There is a 15-foot space between the glass ceiling and the roof of the building.