Mom and Dad Potato sit down with their three daughter potatoes. ""Kids,"" they say, ""you're old enough now to go out and find yourselves husbands. We want you to be happy with them, but we also want you to be sure and choose a husband the whole family can be proud of."" With that, they send their children forth to find mates. A few months later the first daughter returns. ""Mom, Dad, I'd like you to meet my fiance, Peter Potato. Peter's from Idaho."" ""Idaho! Wonderful! Welcome to the family, P…