Every now and then, a discredited official leaves the Administration, but why doesn't a discredited idea ever get fired?

On economic policy, however, Mr. Bush still clings to the discredited idea of growing out of the deficit while holding the line on taxes.

So he decided to become the man who rescued this discredited idea.

He thought that this approach was a "striking late application" of "the ritual theory of myth", a discredited anthropological idea associated particularly with Jane Ellen Harrison's 'Cambridge group' and Sir James Frazer.

Embalming fluid is the only cure for people truly wedded to discredited ideas.

Then we can finally dispense with the discredited idea that Government bonds somehow have magical powers of 'sterilisation'.

Orthogenesis - a discredited evolutionary idea that hypothesised a directed 'teleological' form of evolution.

Photography, which could not have been expected to remain true to a discredited idea, mirrored our remorse.

The measure amounts to a one-year windfall profits tax, a concept that most Republicans had until recently denounced as a discredited idea from the 1970's.

If discredited ideas are thus always included, it should surprise no one that doubt about global warming still exists in the public mind.