You call your last witness and things are going great. A verdict in your client's favor will be soon to follow. All you have to do is establish that there was moonlight.
Counsel: Was there moonlight at the time you saw the accident?
Opposing Counsel: Objection. Leading and lacks foundation.
Witness: It was the sun.
Counsel: Are you sure?
Opposing Counsel: Objection. Asked and answered and leading.