A new poll released today by the Arizona Republic shows Hillary Clinton leading Donald Trump by four points — in Arizona. The Clinton campaign is now investing real money in the state, and this is widely being touted as a sign that the map is expanding in ways that portend a sizable victory for her.

But a Clinton win in Arizona would also have important value in its own right: It would represent a significant victory over Trumpism writ large, with potentially far reaching ramifications for the future of Trumpism in America.

Trump, you may recall, chose Arizona as the site for his big immigration speech, which represented — along with his convention speech — one of the most comprehensive statements explaining Trumpism in all its xenophobic, hate-drenched glory.
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“A Clinton victory in Arizona could confirm the biggest fear of Republicans — that immigration will turn red states blue,”... - WaPo