OPINION: There's a sobering truth to Trump's racist tweets that we don't like to admit

President Trump's critics may not like to admit it, but there's an element of truth in the racist tweets he sent this weekend.

Trump told four nonwhite Democratic congresswomen that they should "go back" to the "crime infested places" where they came from, even though three of the four were born in the US and the fourth is a naturalized citizen.

Critics pounced. But in some ways those four lawmakers -- Democratic Reps. Alexandria Ocasio-Cortez , Ilhan Omar, Rashida Tlaib and Ayanna Pressley -- really do belong to another country....