Dave Davies reports on the jury selection in the federal corruption trial of Philadelphia District Attorney Seth Williams. On Skytalk, we learn how the sun might have once had a sibling. We talk to Philadelphia Daily News reporters Barbara Laker and Wendy Ruderman about the high levels of lead in the “river wards.” Matt Laslo asks Republican Senator Pat Toomey if he will renew his efforts to demand more background checks for gun buyers. In York County, multiple-bias incidents garnered national media attention. Emily Previti reports on the efforts to heal the racial divides.