 This is 1A. I'm Todd Zwilekin for Jen White. The debate over school voucher programs in the United States was already heated, and then Jay-Z got involved. The celebrity has thrown his support behind an initiative in Pennsylvania that would give vouchers to kids in low-performing districts to use for private schooling. Now, school voucher programs, also known to supporters as school choice, they vary from state to state. About 30 states now participating in one form or another. Generally...