We're talking 25 years population growth. 100,000,000 unassimilated is even too many. 200,000,000 based on your comments might not be feasible but even half that # is enough to cause major problems.
Seal the border now and lets deal with the internal issue of identifying and counting those that are already here.
I guess Bush himself has nothing to do with the fact that people are growing tired of some of the liberal policies, excessive spending, and so on.
heh