It is Christmas time, time to eat Plum Cakes. A wide array of Plum Cakes are on the market, and we got to taste a few of them at office today. The best among them was the cake sent by Rakesh (Intellepedia's Administrator). Once it was safely in my stomach, I couldn't help telling Rakesh that his cake did not have any plums. It had raisins and prunes, but no plums. Most Plum Cakes in fact do not have plums,…