NEW DELHI, Jan. 18 -- One day, she will fulfil Babasaheb Ambedkar's dream!" claimed Bahujan Samaj Party (BSP) founder Kanshi Ram, pointing to the woman who had just served us tea. We were at his official residence in Delhi on a lazy winter afternoon in the early 1990s. I almost did a double take before faintly nodding at the salwar kameezclad lady who had stayed mostly silent during our animated conversation on caste and politics. Mayawati still hadn't quite burst on to the national stage and it was only a few years later that she became Uttar Pradesh chief minister and transformed herself into a politician not to be trifled with....