After a month-long hectic marketing campaign, Tamil Nadu voted right now, barring Aravakurichi and Thanjavur constituencies which can go to polls on May 23. Twenty years in the past G Karthikeyan and Ramesh Chennithala have been amongst those Congressmen who protested that the veteran K Karunakaran was pushing ahead his son, K Muraleedharan. Today Chennithala,…