Trump is right to back skills-based immigration. But fewer green cards would defeat the purpose.
Excerpt
If innovation is the primary driver of growth, and the most productive workers are the primary drivers of innovation, doubling the number of workers who currently represent the top 5% of America’s talent could double the U.S. growth rate. America has 125 million full-time workers, so the top 5% is just over six million. The U.S. currently issues a million green cards a year. By targeting the most talented would-be immigrants, the U.S. could double its high-productivity pool in short order.