In a very interesting City Journal article, Steven Malanga argues that "Yes, Rudy Guiliani Is a Conservative/And an electable one at that."
Malanga makes a strong case for Rudy as a Reagan-style conservative. After recounting Giuliani's record as mayor of New York City, in which, as Malanga establishes firmly, Rudy supported free markets and individual responsibility, as exemplified vividly in his tax cuts , welfare reform success, "zero tolerance" crimefighting, and firm rejection of racial politics.
As Malanga notes, Giuliani did this in what was one of the most leftist cities in the US.
http://freerepublic.com/focus/f-bloggers/1774783/posts