“Most dynasties are defined and circumscribed by region. The Roosevelts rode as high and far as the national fortunes of New York State. The Tafts go as far as Ohio takes them…. Not the Bushes. Their success is found in an essential rootlessness.” – Michael Powell, Washington Post, 2001Jeb Bush’s announcement of a presidential campaign exploratory committee – and the gauntlet immediately thrown down by movement conservatives – might sound familiar to longtime political observers.