Janice Astor del Valle, left, director of the Green Street Arts Center, listens to Sonia BasSheva Mañjon, director of the Center for Art and Public Life at the California College of the Arts in Oakland, speak in Memorial Chapel during a campus visit Nov. 2. Mañjon will return to campus in July as Wesleyan's new vice president for diversity and strategic partnerships. Posted 02/01/08 President Michael Roth has appointed Sonia BasSheva Mañjon as vice president for diversity and strategic partnerships, a new position that will include leadership on civic engagement and cooperation with private and public organizations. Mañjon will work…