Once a motion has been stated and seconded, the Mayor shall open the floor to debate upon it. The Mayor shall preside over the debate according to the following general principles:
(A) The member who makes the motion is entitled to speak first;
(B) A member who has not spoken on the issue shall be recognized before someone who has already spoken; and
(C) To the extent possible, the debate shall alternate between proponents and opponents of the measure.
(1981 Code, § 2-11)