The United States is now admitting nearly one million legal immigrants per year, while the flow of illegal aliens into the country continues to increase steadily. The debate over immigration policy has typically focused on three fundamental questions: How do immigrants perform economically...

Beginning in the early 2000s, there was an upsurge of national concern over the state of the science and engineering job market that sparked a plethora of studies, commission reports, and a presidential initiative, all stressing the importance of maintaining American competitiveness in these...