Put away the worries that this year's "Charlie Brown Around Town" public art project in St. Paul would be too much of a good thing. Last year's "Peanuts on Parade" doesn't seem to have dampened any enthusiasm for this summer's reprise. When it comes to the nation's -- heck, the world's -- love affair with the "Peanuts" gang and its creator, Charles Schulz, the public's appetite seems insatiable.