When contemplating a shield that would protect America for...

When contemplating a shield that would protect America for incoming missiles, Democrats suddenly became hardheaded fiscal conservatives. For the first time in recorded history, liberals were concerned about the cost and usefulness of a government program. These people believe federally funded art therapy for the homeless will pay for itself. That you can take to the bank. But a shield to repel incoming nuclear missiles from American soil they said, was too expensive and wouldn't work.