For an example of a plain bad idea, look at Wayne Huizenga's AutoNation.

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As a result, approaching workers about unpleasant subjects such as insubordination, poor performance or plain bad behavior can be difficult.

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Global recession has been especially harsh to media heir and onetime richest Australian as fortune more than halved amid collapsing casino industry, rumored angst and plain bad luck.

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If you add to that process a snowstorm, or just plain bad weather (and really, Iowa in January, is there anything other than bad weather?) you change the game significantly.

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It is, to be quite plain, a very bad game.

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Such stories suggest the distinction between good and bad is always plain.

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Changing business conditions, upstart competition, bad luck and just plain dumb decisions can knock the highest-flying companies off the Fab 50.

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Bad vintages of Bordeaux were really bad in those days: tonsil threatening or just plain watery.

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The Concordia going down was bad enough, but all of these are just plain nonsense.

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The club has thrown away hundreds of millions of dollars on bad contracts for players past their prime or just plain mediocre.

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It is plain to see that Apple has plenty of room for growth, and that analysts have once again misdiagnosed bad news out of good numbers.

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