Is Gore's "mansion" just a private residence? Or does it perhaps also contain offices (as Bill Gates's Redmond, WA "mansion" does)?
I agree it sounds bad (though a $1 million house in some places in California would be be a $200 house in other locations), but I'd need more details.

E.g., how much of that $8 million price tag was for things like state-of-the-art solar panels and weatherization, maybe a rooftop garden, etc.?   

And what makes you think Gore needs or wants to hire low-wage laborers to mow the lawn?

(Not sure what this has to do with the Arizona law or the issue of a national ID card, anyway.)