Mickey Kaus says the Obama Administration's PR surge about amnesty coming before the 2010 elections will attract more illegal aliens hoping to get in before the cutoff date. But, I think his motivation is more to tell illegal aliens already here:
Don't go home now just because you are unemployed and it's cheaper to live at home. Stick around so you and your descendants unto the seventh generation can qualify for the upcoming amnesty.
Well, that's my latest theory.