A mural on Willow Street in West Oakland By Charles Berkowitz in Oakland North, November 27, 2012 5:31 pm With several enlarged photographs of blighted Oakland property leaned up against the chamber windows, Oakland’s Public Works Committee convened Tuesday morning to consider a new graffiti ordinance that would bolster the city’s current vandalism laws. The ordinance, proposed by City Attorney Barbara Parker and District 3 Councilmember Nancy Nadel, would enhance penalties for violators, increase criminal charges from an infraction to…