Don't worry... no terrorists have come over our unprotected southern border.
Nothing to see here folks; move along.
They don't come over the borders, they come in the Country on student visas and then stay when they expire -- why go across the border when you can come here to study and blow up people -- all in a day's work? (sarcasm)
I'd like to see **you** try to cross it, Mr. Know-It-All.
Once easy, Illegal Immigration Now Risky:President Bush Builds 12 ft Tall Steel Fence Along Mexican Border From The Pacific Into Arizona, Plus Around Major Populated Areas In Arizona and Texas