A piece in the “Running on Empty” series on last night’s “Nightly News” really flexed some creative muscle.

NBC’s Tom Castello was live from Iowa, reporting from inside a GPS-guided tractor. NBC was using two cameras for the live shot, one a ceiling-mounted one inside the cab of the tractor, the other a wide shot of the field (you could actually see Castello’s hand gestures and movements happening simultaneously in both shots).

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