Chennai, Jan. 21 -- For a third year in a row, Tamil Nadu governor RN Ravi declined to read his customary speech prepared by the state government and walked out of the legislative assembly on the opening day of the first session repeating a showdown with the DMK-led state government. The Lok Bhavan listed 12 reasons for the governor walking out. Inside the assembly, chief minister M K Stalin said that his party, the DMK, would make efforts to amend the Constitution to eliminate the practice of the Governor delivering a speech at the beginning of the year. The House also adopted a resolution moved by Stalin to record the English version of the speech as read. Among the 12 reasons, the governor's office claimed the speech had several "unsubstantiated claims". "When a governor repeatedly violates a practice, a question naturally arises 'as to why such a rule/practice should exist'," the chief minister said in his statement....