Barbara’s Last Hurrah for 2013: Marvin Gates takes to the streets » Marvin Gates’s “Barbara” on 21st Street, New York, Winter, 2010. Courtesy of the Artist

Marvin Gates's "Barbara" on 21st Street, New York, Winter, 2010. Courtesy of the Artist

Marvin Gates’s “Barbara” on 21st Street, New York, Winter, 2010. Courtesy of the Artist