Rep. John Carter of Texas offers a long article about secure the border (for real) here. Bottom line: Taking all the data into consideration, a deployment of somewhere between 25-to-50,000 troops would secure our 2,000 mile southern border immediately. Cost estimates range around $3 billion per year, a small fraction of the current $78 billion taxpayer cost of illegal immigration, even after counting tax payments by illegal workers. These manpower numbers are well within the range of similar current deployments. 28,000 U.S. troops are helping guard South Korea’s 151-mile border with North...