Mark Morris Dance Group's many surprises flow naturally at GMU
Philosophers and physicists can go on debating whether logic and unpredictability can coexist. Mark Morris has already answered the question.Predictably enough, the Mark Morris Dance Group's program at George Mason University over the weekend offered a cascade of surprises. Three of the works were new to local audiences, but the surprises bubbled up even in the welcome return of "Grand Duo," with its propulsive, folk…