Washington, D.C., and its suburbs in Maryland and Virginia form one of the most religiously diverse metropolitan areas in the United States. And yet the state of Maryland continues to display an enormous Christian cross just outside D.C. city limits in Bladensburg to memorialize war veterans.

Vouchers and other forms of private-school aid plans have been getting trounced at the ballot box since 1967.

Public schools are under legal obligation to be open and nondiscriminatory in their acceptance of all students, regardless of race, sexual orientation or ability. Voucher programs, on the other hand, are governed by different laws in different states, but most allow private schools to accept taxpayer dollars but reject students with vouchers for a variety of reasons, ranging from disability to ability to pay.