Do you have a plan to vote? Let us tell you the information you need to register and cast a ballot in D.C. I want to make sure I vote! We’ll send you information about voting and stories about local politics and news. Success! You're on the list. Whoops! There was an error and we couldn't process your subscription. Please reload the page and try again. Processing… Sally Mann signing her memoir, Hold Still: A Memoir with Photographs at National Gallery of Art, June 21st.