Potatoes get a bad rap from the "no carbs" diet crowd. Potatoes are actually amazingly nutritious. (The "Potato Famine" in Ireland was so bad not simply because of monoculture, a new pathogen, and amazingly short-sighted forced migrations, but because the *introduction* of the potato to Ireland allowed the populations to balloon ten times over in a very short time.)
So it is interesting to note a new study which indicates that tomatoes may be a genetic ancestor of potatoes. Particularly in light of the fact that almost everyone eats the french fired version of potato chips (not crisps) dunked or covered in ketchup.
However, this may create a new problem for those seriously following the tenets of the Jewish faith. There is that statement about "thou shalt not seethe a kid in its mother's milk," which has developed into a prohibition against cheeseburgers. (You can't have meat and dairy in the same dish.) Given this same logic, ketchup on chips no longer seems to be kosher ...