This white guy is trying to mansplain Martin Luther King to Martin Luther King's daughter

Mansplaining and whitesplaining - where men explain stuff to women they already know, and white people do the same to people of colour - have just reached staggering new lows.

Just when we thought the cocksureness of privilege surely could get no more self-absorbed and blind, a white man has swaggered onto Twitter to pick a fight with Martin Luther King's daughter. Over who best knows the legacy of Martin Luther King.