Nia Sanchez is only going to anger pageant fanatics more with this video ... because during a simple radio interview this morning, she couldn't even name the capital of her supposed "home state."
First, some background -- Sanchez won Miss USA after being Miss Nevada, but really she lived most of her life in California and even competed in Miss California three times ... losing each time.
So this morning on "The Todd Show" on 95.5 WPLJ in NYC ... Sanchez completely whiffed when asked about the capital of Nevada ... and possibly also insulted Carson Daly.
Neither is cool.
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