Immediately after an election, TV channels A forecasts that candidate X will receive 52% of the vote, with a margin of error of 2%. At the same time channel B predicts that the same candidate will receive 47% of the vote, also with a margin of error of 2%. Discuss what's wrong with this picture, and how this could happen. Do you recall any actual occasion where the winner of a major election has been incorrectly predicted based on statistical analysis?