The construction boom in the so-called "river wards," once Philadelphia's industrial hub, has unleashed a "lurking monster: toxic lead dust." That's one of the findings in the The Philadelphia Daily News' latest story in its "Toxic City" series. 

You can read the full story: In booming Philadelphia neighborhoods, lead-poisoned soil is resurfacing

Joining me are two of the three reporters in that series: Barbara Laker and Wendy Ruderman, who along with Dylan Purcell put out the story entitled "In their own Backyards." NewsWorks Tonight Host Dave Heller spoke about the story with Barbara Laker and Wendy Ruderman who answers first in this podcast.