"If you watch social media it's all out there," Harris, the former head of US Pacific Forces, told a group of foreign reporters Thursday.
On the surface, the critiques border on ridiculousness. It's just a small patch of hair. But Harris' 'stache has sparked discussions on topics much bigger than the ambassador himself: the still-raw emotions among many Koreans about the legacy of Japanese occupation; the prevalence of racism in such a homogenous society; and cracks appearing in the future of the decades-old alliance between Seoul and Washington as the two sides attempt to reach a deal on how to cover the cost of US troops stationed in South Korea, amid reports that President Donald Trump demanded a 400% pay increase.