The F.B.I. found one in the junk drawer at the Santa Monica hide-out of the notorious mobster Whitey Bulger, which goes to show that gangsters are just like everybody else.There’s probably one or two clipped to your car’s visor, and there could be a pile in the lobby of your building right at this moment. God knows your mother-in-law has a folder full of them.The 20 percent off coupon from Bed Bath & Beyond — a homely and oversize mailer known as Big Blue — is omnipresent, unmistakable and a joy to deploy in the chain’s endless …
