Waving black flags at unpopular political leaders has become increasingly fashionable in poll-bound Madhya Pradesh. Things have come to such a pass that the state police allegedly asked some college students to remove their black scarves before attending a programme presided over by Chief Minister Shivraj Singh Chouhan in Betul district. Half-a-dozen students in their uniforms reached Multai town, 220-odd km south of Bhopal, to attend the event. When they reached the venue, a woman officer allegedly asked them to remove their black dupattas and keep them in their bags. They were told they would get their scarves back at