Several Republican attorneys general have said that President Joe Biden’s federal mandate for COVID-19 vaccinations hasn’t yet come into effect for private businesses, adding that if it is ordered, they will file lawsuits against it.Montana Attorney General Austin Knudsen, a Republican, noted that the White House only last week submitted the text of its emergency rule regarding vaccinations to the Office of Management and Budget, meaning it hasn’t gone into effect.But, Knudsen noted that “no such rule or regulation is currently in effect,” adding (pdf) that there has been a “great deal of confusion” over Biden’s announcement last month.“Further, my...