Wendy’s restaurants in Japan have started rolling out Caviar Burgers and Lobster Burgers as part of a something called a “Premium Fast Food” line. It’s called giving the people what they want and, apparently, what their royal majesties want is a pile of fish eggs on top of a fast food burger to go. Be careful ordering this, everyone. Caviar stains are a real pain to get out of the interior upholstery of your diamond-encrusted limousine …