Back in 2002 or 2003 I stopped in at a hardware store in the Washington, DC, suburbs. A sign announced that there were no refunds on "emergency supplies". I ask

Back in 2002 or 2003 I stopped in at a hardware store in the Washington, DC, suburbs. A sign announced that there were no refunds on "emergency supplies". I asked, and this meant plastic sheeting and tape, because these were the days when the federal government was warning of possible terrorist attacks.