The enthusiasm gap reveals just how true this assessment to be.

FORBES: Voter Enthusiasm Gap The Real Challenge To Obama Re-Election

As the Organisation for Economic Co-operation and Development (OECD) has pointed out in its latest assessment, the performance gap between America and the rest of the industrial world is widening.

ECONOMIST: Further to fall? | The

Private school students do better on the National Assessment of Educational Progress, but the gap between average scores is about the same at ages 13 and 17 as at 9.

FORBES: Public Choice

Any journalist familiar with the risk assessment protocols used by government agencies should have spotted the credibility gap between the test and the claim.

FORBES: Medialand