EVENTUALLY, it was left to D. Raja (CPI), Sitaram Yechuri (CPI-M), P. Chidambaram (TMC) Jaipal Reddy (Janata Dal) to work out the United Front's Common Minimum Programme. Andhra Pradesh Chief Minister Chandrababu Naidu, who was to coordinate the working of this "informal group", helped set things up on May 28 and May 29 and then left the hard bargaining to the others. And with the Left parties in one corner, Chidambaram in the other and Reddyas the umpire-with-his-own-agenda, bargain they did.