short summary: America, for its fear and litigious society, is neutering herself.
This does not nail it though on why the country is failing at Math & Science. Parental influence is the top correlation between children and success in school. It's not a surprise that 50% of STEM degrees are going to International students (who make up less than 10% of the general US student populous) -- their parents push them towards the most difficult degrees -- Sciences, Technology, Engineering, and Mathematics.
This does not nail it though on why the country is failing at Math & Science. Parental influence is the top correlation between children and success in school. It's not a surprise that 50% of STEM degrees are going to International students (who make up less than 10% of the general US student populous) -- their parents push them towards the most difficult degrees -- Sciences, Technology, Engineering, and Mathematics.