Sure. That's the kind of thing – like sun spots. They raise cane with radio reception all over the world. And this thing being so close – why there's no telling the sort of stuff it can do. (he wets his lips, smiles nervously)

Go ahead, Charlie. You and Steve go into town and see if that isn't what's causing it all.

What do the stage directions tell the reader about Don’s feelings?

He feels threatened by Steve and Charlie.
He may be more worried about the flash than he is admitting.
He is confident about the cause of the power outage.
He knows that Tommy is right but is keeping his feelings a secret.