WHENeverything else fails, try a dose of populism. The beleaguered Congress-led United Democratic Front (UDF) in Kerala has decided to refurbish its image by taking a few tips from N.T. Rama Raos success formula. A high-powered UDF think-tank has recommended a total ban on arrack and an "attractive" subsidy on rice as part of the package to woo voters for the general elections. Kerala Chief Minister A.K. Antony has given his approval to the scheme.