NBC News reporter confuses José Díaz-Balart and his brother
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José Díaz-Balart is an anchor for Telemundo, which is owned by NBCUniversal.
Costello started his report enthusiastically (but incorrectly) reporting that “José Díaz-Balart” had tested positive before clarifying that he meant to refer to his brother Mario.
Costello appeared to be working without a teleprompter, having to refer to notes on his desk.