Dave Davies looks into Philadelphia’s gift acceptance policy for employees. Dave Heller and Kathleen Hall Jamieson of the Annenberg Public Policy Center discuss flackcheck.org’s imagined attack ads against Abraham Lincoln. Peter Crimmins reports on a hip hop suite written about those mysterious tiles that appear embedded in Philadelphia streets. On That’s History, Dave Heller and Jonathan Zimmerman look at the conspiracy theories surrounding the assassination of President Kennedy. Howard Shapiro reviews “The Woman in Black” at Ambler’s Act Two Playhouse.