It is with the saddest heart that I have to pass on the following news about a great American icon.. Veteran Pillsbury spokesperson, The Pillsbury Doughboy, died yesterday of a severe yeast infection and complications from repeated pokes to the belly. He was 71. Doughboy was buried in a slightly greased coffin. Dozens of celebrities turned out, including Mrs. Buttersworth, the California Raisins, Hungry Jack, Betty Crocker, the Hostess Twinkies, Capt'n Crunch, Mr. Goodbar, The Tidy Bowl Man, and…