Like banishing beads and masks from Mardi Gras or removing the red carpet and gold statues from the Academy Awards, the banning of floats, beer and nudity at this year's Bay to Breakers will take all the fun out of it, many longtime revelers say. City leaders and sponsors of the 98th annual wacky footrace announced several major changes Wednesday that detractors say will turn the over-the-top, only-in-San Francisco party into a 12K footrace like any other race in any other city in the world. At the May 17 event, police will cite or arrest anybody openly drinking alcohol or...