On Friday’s “PBS NewsHour,” New York Times columnist David Brooks argued that “the Republican Party has not controlled the alt-right movement. … And it is a long-term problem for the party. It is a long-term problem that you are basically an all white party. And so, that is just a core problem that Trump has now exacerbated and blown up.” Brooks said, “I happen to think Donald Trump’s campaign began with an act of ethnic signaling, or more. I mean, when the San Bernardino thing happened, and he wanted to ban Muslim immigration into the country — entrance into the country, that is — that was blanketing an entire ethnic group or an entire religion. And that’s bigotry. And so that was the thing that exploded his campaign. And there have been just signals all along the way, between alt-right and the Trump campaign. And it just seems to me there is always a danger in every party for — to be taken over by some radical, angry fringe. … And the Republican Party has not controlled the alt-right movement. And, therefore, it has come into the movement. Trump has welcomed it in with a wink and a nod. And it is a long-term problem