There is no perfect voting system. That is, no voting system can ensure that the winner will be the person who best represents voters’ wishes, including how intensely they favor or disfavor each candidate.
One clear defect of a winner-take-all election with 3 or more candidates, and with each voter choosing only one candidate, is that a candidate who is strongly disliked by a majority, but strongly liked by a minority, can beat a candidate who is liked by a majority and disliked by relatively few.
Large movements in monthly oil prices, either up or down, are driven primarily by speculators, as opposed to changes in the current (and planned) supply or demand for oil.
