The alliance of the Samajwadi Party and the Bahujan Samaj Party (BSP), bitter rivals for over two decades, is still surprising to political watchers and journalists attending their joint rallies for the national election. Their legendary acrimony dominated the politics of India's most populous state. Which is why, a kiss seen at a joint rally on Wednesday in support of a Samajwadi Party candidate deserves to be on the list of "sights we thought we'd never see."