Week in Pictures for Dec. 20 Subjects include a memorial in Newtown, Conn.; the SantaCon celebration in the East Village; and new citizens at a naturalization ceremony in Manhattan. This weekend on "The New York Times Close Up," an inside look at the most compelling articles in Sunday's Times, Clyde Haberman will speak with The Times's Dan Schneider, John Otis, Erik Piepenburg and Sam Sifton; and Doug Muzzio, professor of political science, at the Baruch College School of Public Affairs. Read current New York headlines and follow us on Twitter.