India, May 4 -- The Trinamool Congress (TMC) and the Dravida Munnetra Kazhagam (DMK), the third and fourth largest parties in the Lok Sabha (by representation) among the Opposition, and the fourth and fifth largest overall, were voted out of power in West Bengal and Tamil Nadu, respectively, in the latest round of assembly elections declared Monday. The results should worry the INDIA grouping of Opposition parties because they suggest a further shrinking in electoral mindspace occupied by parties other than the national political hegemon, the Bharatiya Janata Party. Sure, Vijay's Tamilaga Vettri Kazhagam (TVK), which emerged the largest party in Tamil Nadu, isn't allied with the BJP, but it isn't aligned with the Opposition either. Its po...