West Bengal Chief Minister Mamata Banerjee is now putting her weight behind the third front, which she now calls the federal front. With the BJP-JD(U) alliance reportedly set for a split, Ms Banerjee calls up Nitish Kumar. Another powerful chief minister - Naveen Patnaik – today held a rally in Delhi. He has already backed a federal front. But can a third or a federal front ever work or is it just a mirage in Indian politics today? We debate.