Given the fact that fascism is the extreme extent of government control, it can only be properly categorized as extreme left wing. Since the left wing thinks of itself as the advocate of the working class, this is clearly a Saturn correspondence. Because this affliction takes place in a Saturn-ruled sign, his governmental views are extreme left wing sympathetic. In the case of Haider, it would immediately make clear that conjunction to his Mars. If so, it will do him in eventually.
Fears surface when a subject taps into the negative sides of planets.
Despite this evidence, I wouldn't suggest that these factors contribute to a signature suggesting xenophobic tendencies. These placements could be used to implement positive anti-discrimination measures for ethnic minorities, too. Haider's Cancerian Uranus conjuncts Hitler's Ninth House conjunction of Chiron and Part of Fortune. Haider's Neptune, which rules Haider's Ninth. Clinton should do all he can to stop the rise of Haider, xenophobia, and hate crimes.