
Metro is embarking on a $60 million project to replace thousands of its faulty track circuits. Last year's deadly train crash on the Red Line was partially caused by these circuits malfunctioning.
Transportaton reporter David Schultz sat down with the hosts of WAMU's Metro Connection, Rob Sachs and Rebecca Sheir, to explain how these circuits work and what happens when they don't work.
Lee Calhoun, a former associate of the D.C. businessman at the center of a wide-ranging investigation into D.C. corruption, is said to have made campaign contributions in the names of other people.

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