Marco Rubio fired his chief of staff over 'improper conduct'

Sen. Marco Rubio (R-Fla.) on Saturday announced he has fired his chief of staff after receiving "sufficient evidence" to conclude the staffer has "violated office policies regarding proper relations between a supervisor and their subordinates." Rubio said he learned of "allegations of improper conduct" by the chief of staff for the first time Friday, and he flew from Florida to Washington to address the issue in person. The conduct, Rubio concluded, "led to actions which in my judgment amounted ...