Tariq El-Shabazz throws his hat in the ring for Philadelphia District Attorney. Tom MacDonald speaks with Stephanie Farr, who co-wrote a recent story highlighting the epicenter of Philadelphia’s heroin epidemic. “Not My President’s Day” protests occur in Philadelphia as Joe Hernandez looks into local foreigners in the country on work visas who are worried about possible executive orders from President Trump. In this week’s edition of SkyTalk: a new planetary neighbor. Sofiya Ballin discusses the inspiration for this year’s version of her project, “Black History: Untold.” Musician Sharon Katz, of Sharon Katz and the Peace Train, joins the show to talk about her use of music as a tool for change.