Florida Sen. Rubio fires chief of staff for 'improper conduct' involving a subordinate

Florida Sen. Rubio fires chief of staff for 'improper conduct' involving a subordinate  USA TODAY Rubio Fires Chief of Staff After Misconduct Allegations  New York Times Rubio fires chief of staff after allegations of improper conduct  The Hill Rubio fires chief of staff for improper relations with subordinates  PoliticoFull coverage