Responding to Donald Trump’s onslaught of racist attacks on Vice President Kamala Harris’ ethnic heritage, MSNBC presented viewers on Friday morning with a super clip of the former president questioning his opponents on race and indulging in bitherism. As part of the clip, Trump can be seen battling former Rep. George Miller (D-CA) over Native American casinos in 1993 that Trump felt would hurt his own casino business interests. In the exchange, Miller pressed Trump, “Is this you, discussing Indian blood: ‘We’re going to judge people by whether they have Indian blood whether they’re qualified …