An expansion of the country is long overdue--no new state since 1960.
Expand for what reason? So foreign cultures can pay federal taxes?
If mexico could manage their own affairs and create a state without poverty, crime, corruption, and a massive drug trade, then I'd consider it a candidate for state #51. Erasing our borders will only spread those problems to here.
I'm all for imperialism. People hate me for it, but it's survival of the fittest.