A deep look into black coal, how well Louisville schools are dealing with achievement gaps and two new record stores open in town—we discuss these stories today on Byline.This week, WFPL environment reporter Erica Peterson looked at how traffic exhaust (and black carbon, specifically) is affecting health in Louisville. She'll join host Rick Howlett to discuss.Jonathan Meador, Kentucky Public Radio's new Frankfort Bureau chief, will discuss a developing story of a large drug bust in the state.WFPL's Devin Katayama will discuss Jefferson County Public Schools' latest efforts to close the achievement gap for race and language. He'll also talk about new developments in the efforts of ex-felons to become school volunteers. We'll also hear about funding issues in Floyd County following two major trials, new record stores in Louisville and more. Join us at 1 p.m. today for Byline on 89.3 or streaming at WFPL.org.