The first is the enduring dissonance between evidence of a strong economy and a weak job market.

They must understand the difference between valid evidence and spurious appearances.

But there's a difference between a strong suspicion and actual evidence.

But, they say, there is a difference between a hypothesis and convincing evidence.

"I am interested in the gap between evidence and policy," he said yesterday.

"To me there is a difference between real evidence and everything else," he continued.

The answer, I think, is that there's a big difference between compelling circumstantial evidence and a more or less official confirmation.

But love seems like the final frontier in the debate between gut instinct and hard evidence.

The distinction, then, between direct and circumstantial evidence, is this.

Most of the votes were too stupid to tell the difference between evidence and inference.