Election 2016: The candidate with a ‘black soul’

The weekend in Trump: Gasoline on a dumpster fire. Republican presidential nominee hurls an attack at the bereaved parents of a Muslim American soldier who died in a car bombing in Iraq while trying to save other troops. Khizr Khan, father of Army Capt. Humayun Khan, and wife Ghazala Khan respond. And the Koch brothers’ donor network meets, without the party’s new standard-bearer, Donald Trump.