>Yes. Telephone polls tend to "oversample" older people who tend to stay
>home, and these tend to be more conservative and pro-republican. Main
>reasons are that younger people are more mobile, they tend to move more
>frequently and thus have specific phone numbers registered in their names
>changed or disconnected, they also more likely not to have land lines
>altogether and use only cell phones.
But they're supposed to compensate for this in the weighting scheme, or at least try to.
Doug