President Donald Trump's administration has escalated its ongoing battle with Harvard, threatening to revoke the university’s ability to host international students, who make up 27% of the campus.

Reviving a 1976 decision against a fundamentalist Christian school will likely fail, say legal experts. But if it succeeds, it could trigger conservative Christians' 'nightmare scenario.'

The Trump administration and the Harvard University are locked in bitter battle. President Trump has called Harvard 'worst and most incompetent' and has frozen its federal funds. Now, he has directed the Internal Revenue Service to revoke the tax-exempt status of the prestigious university.