Wrench looms, standing in the man's personal space; Clark makes no move to return the space between them to what it should be, nor does he tense any more than he already is—he gives the impression of someone who has dealt with larger men than his 5'9" frame in the past, belligerent and agitated, and seems largely unphased.

Instead he takes the paper and pen back and writes the following, drawing out a schematic below.

The bomb is headed for DC
We are in the fallout radius

[ Followed by a crude rendition of the following image, with only the markers "DC", "Gaithersburg", and "US" written in. ]