A county in Northern Virginia has declined to hand over almost $2 million in federal COVID-19 relief to a liberal immigration activist group that calls itself a “national powerhouse.” The Prince William Board of County Supervisors voted Feb. 20 to deny the proposed reimbursement of about $1 million in federal funds to the organization, called CASA, after a county audit discovered over $200,000 worth of misallocated funds. The pro-amnesty grou…