Pennsylvania’s U.S. Senators visit Philadelphia to discuss a recent attack on a police officer. Laura Benshoff looks into PA lawmaker Mike Vereb’s retirement and how conservatives are saying they were planning on edging him out. Anne Hoffman reports on a tattoo artist who is using art to heal the families of Wilmington’s homicide victims. Host Dave Heller speaks with Bradley Maule of Hidden City Philadelphia about the buildings the city lost last year. Jeanette Beebe brings a preview of PBS’ new medical drama Mercy Street and its attention to facts.