By James M. Dorsey
 
 
 
Addressing last year’s Shangri-La Dialogue in Singapore, then US defense secretary Jim Mattis dismissed fears first voiced in 1997 by Zbigniew Brzezinski, one of America’s greatest 20th century strategists who advised US presidents Lyndon B. Johnson and Jimmy Carter, that long-term US interests would be most threatened by a “grand coalition” of China and Russia “united not by ideology but by complimentary grievances.”