David A. Graham writes: Donald Trump Jr. isn’t just his father’s namesake or dark-haired doppelganger. He is increasingly emerging as his father’s id — or perhaps simply his father’s emissary to the alt-right.

Over the last few weeks, Trump has made an effort to tone down his rhetoric and try to avoid the most outrageous comments, the ones that endeared him to the racists, misogynists, and xenophobes who gather in darker corners of the internet. Ironically, this switch has come since he installed Stephen Bannon, the CEO of Breitbart, a leading alt-right outlet, as his campaign CEO. It has also produced positive results, with Trump reaching his high point of the campaign with just about 50 days to go.

But it’s still important to maintain the base, and that role seems to have fallen to Donald Trump Jr. Trump fils has been increasingly catering to the fringe right in his social-media statements and interviews. Just take the last 16 hours or so. [Continue reading…]