Marshmallow Peeps, the popular Easter candy made of sugar, corn syrup and gelatin, have become a new symbol of protest in St. Paul these days. The "Vision of Peace," a 36-foot, 60-ton onyx City Hall statue of American Indians, has become the stage for a peculiar form of civil discourse. Since last week's decision to kick the Easter Bunny out of a City Council office, a handful of employees have ringed the statue with the spongy chick- and rabbit-shaped candies. Two laminated signs even announce the statue's temporary new moniker — "Vision of Peeps."