A union representing more than 700,000 federal workers on Tuesday called on President Joe Biden to delay a Nov. 22 COVID-19 vaccination deadline to Jan. 4 to align with a date set for contractors. The “urgent request” from the American Federation of Government Employees (AFGE) comes after the White House pushed back the deadline for government employees to get vaccinated against COVID-19, from Dec. 8 to Jan. 4 to line up with a similar requirement for large businesses. “Setting different compliance deadlines for employees vis-à-vis contractors is both harmful to morale and substantively unjustified,” the labor union wrote in a letter, noting that contractors and federal employees often work together. “This double standard has caused confusion and distress among federal employees,” AFGE President Everett Kelley said. “It is inexcusable that contractors are being given the entire holiday season to meet the mandates, while federal employees continue to be subject to …