An even easier argument to make for the selfish and empathy-challenged is the link between inequality and violent crime [1]. The more money and resources you ha

An even easier argument to make for the selfish and empathy-challenged is the link between inequality and violent crime [1]. The more money and resources you have to spend on walls and security guards the less you have for investment and consumption on useful things. [1] http://web.worldbank.org/archive/website01241/WEB/IMAGES/INEQUALI.PDF http://web.worldbank.org/archive/website01241/WEB/IMAGES/INE...