Hey Zappy not just Strom
Lee Atwater taught Republicans how to be racist without using overtly racist words/phrases as part of the Southern Strategy. Lee was working for Republicans in the 90s. Not that long ago.
http://en.wikipedia.org/wiki/Dog-whistle_politics
Very recent example Senate aide to Rand Paul also known as the Southern Avenger said
When the story came out Paul blew it off as a youthful indiscretion. Paul didn't unequivocally condone the quote and kept him on the staff. When the outrage reached critical mass Paul allowed SA to resign.
Just few.