The whirlwind of Trump administration foreign policy measures -- many reversing those of the Biden administration -- illustrates the fact that Americans have sharply different opinions about their relationship to other nations.  At present, the America Firsters are clearly in control of the U.S. government.  But the future is never predictable.  Indeed, it's quite possible that there will be a revival of the impetus to build a global community -- one that can address the world's problems and even, perhaps, overcome them.