I believe that we should implement an immediate moratorium on travel between the US and Iran and that no Iranians be permitted to enter the US. We should then utilize all media to alert Iran that we are going to attack their nuclear development facilities and clearly explain why - sanctions aren't working, leadership can't be trusted with nuclear weapons, balance of power in middle east will be upset, etc. Then, watch and wait. We should see great internal turmoil. If there is no regime change, we should attack their nuclear facilities with whatever weapons are required. We should also spike those areas with radioactive material and monitor all with sats, Predators, Global Hawks, F-22s etc.

Build desert tent camps 50-100 miles from anything. Just fences, some dogs, a few guards. Put every illegal caught crossing the border into camp for 120 days - NO EXCEPTIONS! No hearings, etc. Mandatory incarceration. Women and children separate from men. Use sensors to monitor fences. Let them govern themselves inside the camp. Plenty of beans, rice, water, etc. No big deal if some escape. Then, back to Mexico. Humane, but very unpleasant. Hot, sweaty, boring, dangerous. Word will get around in a matter of months.