The US and UK should be welcoming foreign talent, not driving it away

The US and UK are threatening their long-term prospects with foolish policy

 United States and United Kingdom each hope their technological sophistication and competitiveness in advanced sectors will secure their position in the 21st century. Their governments have set aside billions they can ill afford for industrial policy meant to give these sectors an edge; the US is even risking conflict with harsh export controls aimed at preventing China from catching up.
 

Yet both countries are also threatening their long-term prospects with foolish policy. Specifically, their inability to enact sensible immigration reforms means that the sectors they rely on to power their growth -- from tech to higher education -- may well