Every Lefty around celebrates diversity.  The most diverse institution in the world  is not a college campus, or a silicon valley start-up, or Walmart.  The most diverse institution in the world is the US Army. 

The members of US Army are also some of the most politically conservative people in America.  So the next time some Lefty sniffs about how intellectually superior they on the Left are, because they believe in, and work towards, diversity, remind them that while they spout meaningless platitudes about diversity and its worth in society, you know where it is being done every single day....in the US Army. 

Then watch their head explode.