We send Israel money and technology so they don't nuke everyone.
We give out work visa's like candy.
http://www.npr.org/blogs/alltechcons...ou-Might-Think
Border jumpers are one problem. But Visa overstays account for 35-50%(depending on who's numbers of course) of illegal immigrations.
The kids coming in are like 1% of the people crossing the Mexican border. It's a great story for the press and politicians to trump up. It's only really noteworthy because most of them get caught. That's why it's so taxing on the border patrol.