THE cracks are all too plainly visible in the Federation of Regional Parties. Once a cohesive grouping within the UF the DMK, the TMC, the AGP and the TDP tossed and drifted in divergent directions in a week of political turbulence. The most serious fallout was the TMC opting to stay out of the UF government, accusing Its ally in Tamil Nadu, the DMK, and the Chandrababu Naidu-led Top Of running G.K. Moopanar out of the race for the prime minister's chair As TMC legislators who had come to Delhi to 'swear in' their leader vented their ire on the DMK, a question mark loomed large over their strategic partnership in Tamil Nadu.