An investigation by The Wall Street Journal has revealed that telecom giants have left behind a sprawling network of cables covered in toxic lead that stretches across the U.S., under the water, in the soil and on poles overhead. On July 27, at 1 p.m. ET, the Journal’s Investigations Editor Michael Siconolfi speaks with investigative journalists Shalini Ramachandran and John West about their deep-dive into America’s lead cable problem.