Had the entire world just witnessed what he had seen?

"But we must guard against what the world witnessed last week in London."

"The world is witnessing something very vital in the fight against international terrorism," he said.

When the Hindenburg exploded, the world witnessed the power of hydrogen.

"In Iraq, the world is witnessing something dramatic and something important," he said.

The entire world has witnessed Iraq's 11-year history of defiance, deception and bad faith.

Soon after his death the world witnessed the creation of two Ukrainian republics.

In the late 1930s, the world witnessed a revolution that had been destroyed by a mobilized right.

What the world witnessed yesterday - and there are no other words to express it - was a crime against humanity.

There is no way to compensate for the kind of sexual assault and public humiliation that the world has witnessed this week.