Quick! Call the diversity police! For the fourth time in five years the US team placed first in the International Mathematical Olympiad, this year tying for first place with China. The six U.S. team members also won gold medals for their individual high scores on the Olympiad, known as the world championship mathematics competition for high school students. However, this very dominating winning team does not look like America -- all members are males, 5 Asians and one Caucasian, judging by appearances.  Photo credit: Carnegie-Mellon University Pictured above: 2019 U.S. International Mathematical Olympiad team members from left: Edward Wan, Daniel Zhu, Brandon Wang,...