Artist Vonn Sumner’s work will be on display at the new Morton Fine Arts space on Friday. >> On Friday evening, Morton Fine Arts will host the opening of a new exhibition of Small Works on Paper by Vonn Sumner, Laurel Hausler (who we have profiled here, here and here), and Rosemary Feit Covey from 6 to 9 p.m. You can find their new art lab at 1781 Florida Avenue NW. >> Also on…