May 11, 2010 10:16 am Arts Around Town: The Running Baritone Meet one of the stars in the Opera Company of Philadelphia‘s La Traviata — Mark Stone. He’s not only an amazing baritone, he’s quite a runner and that’s one of the reasons he loves performing in Philadelphia. 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