Politicians are like diapers: they should be changed often, and for the same reason*

A 1993 newspaper humor column attributes this saying to Reader's Digest: "Picking it up from a Reader's Digest fan, Willie, our ex-shoe shine boy, says some politicians are like diapers. They both need changed often ... and for the same reason." | Also attributed to Reader's Digest in Naomi Judd's 1993 book Love Can Build a Bridge: 'A quip I once saw in Reader's Digest said: "Most politicians are like diapers: they should be changed often, and for the same reason!"'. | Attributed to 1992 congressional candidate John Wallner | Not found attributed to Twain until 2010

Politicians and diapers must be changed often, and for the same reason