Self-styled vigilantes wiped out errors on signs across the United States
Associated PressPHOENIX - When it comes to marking up historic signs, good grammar is a bad defense.
Two self-styled vigilantes against typos who defaced a more than 60-year-old, hand-painted sign at Grand Canyon National Park were sentenced to probation and banned from national parks for a year. They had removed an extraneous apostrophe and added a comma to the sign.
