September 26, 2012 5:56 pm Great Shredder Event is Back! NBC10’s Great Shredder Event is happening this Saturday at the Philadelphia Navy Yard. Tracy Davidson tells you why shredding is valuable to you. US & World Videos 2:54 UPenn leaders reiterate to pro-Palestinian protesters that they need to disband 1:44 Pro-Palestinian protesters remain on UPenn's campus despite warnings to disband 1:30 Protests calling for ceasefire continue at Penn 6:33 Family affair: Former Eagle and new Eagle Jeremiah Trotter and Jeremiah Trotter Jr. speak out 0:20 Teen girl shot in Southwest Philly, suspect in custody