RWhitcomb-editor December 5, 2016 Which signal? RWhitcomb-editor December 5, 2016 By Nancy Dyer Mitton, in the group show "Small Works 2016,'' at DeDee Shattuck Gallery, Westport, Mass, through Dec. 18. Is this a matter of "red sky in morning, sailors take warning'' or "red sky at night, sailors' delight''?