Robert Novak’s recent run-in with an 86-year-old homeless man is the story that just keeps on giving. Via ThinkProgress, we find that Novak’s biggest detractors, Valerie Plame and Joe Wilson, released a statement yesterday on the incident:Our sympathies go out to the victim of Novak’s action. Once again Novak has demonstrated his callous disregard for the rights of others, as well as his chronic inability to accept responsibility for his actions. We have long argued…