A faction of the AIADMK - led by CV Shanmugam and SP Velumani - extended support Tuesday to Tamil Nadu's ruling coalition headed by Chief Minister Joseph Vijay's Tamilaga Vettri Kazhagam. The faction leaders plan to meet Vijay today. Shangmugam pointed to electoral defeats suffered by the All India Anna Dravida Munnetra Kazhagam over the past decade - three at the hands of arch-rivals Dravida Munnetra Kazhagam and a fourth, last month, inflicted by the TVK - as motivation