Paradox or...?

Jay Leno occasionally reads news clippings that are humorous. On his 3/30/2011 show, he read one clipping that caught my attention.

The headline: Homeless Man Sentenced to House Arrest.

What exactly does this mean? Is it a referential paradox or oxymoron? Whatever, it caused me to think...and even smile.

This was followed by a restaurant ad that guaranteed each customer 10% satisfaction. Now, I know what this means (and am aware it probably was a typo), but how does one measure 10% satisfaction?

Thanks, Jay, for some good late night thoughts.