Well, seen as I live in France and this is happening in America, I guess that's inevitable
I don't really blame the candidates for not talking about it too much because they both know they'd gain
and loose votes as soon as they raise the discussion.
Some people want the illgeal, cheap working, aliens (as you call them). Others think that the country's big enough for all. In my opinion, the first should be shot, the second should be educated...
We also have a problem over here about illegal immigrants. Mr Sarkozy lost many votes when he firmly announced he'd put alot of effort into reducing their numbers big time.
In the end, that's indirectly why I voted for him; He stood up to the critics holding his goals sound and clear