PATNA, Feb. 25 -- The Bihar Legislative Council Wednesday witnessed a heated exchange between the treasury and opposition over former Congress president Rahul Gandhi's reported comparison between voters of north and south India, which members of the ruling parties dubbed as an insult to "Biharis' self-respect".During the question hour, BJP MLC Sanjay Prakash alias Sanjay Mayukh stood up on a notice and alleged that the Congress leader had offended Biharis and north Indians by branding them "foolish". Mayukh suggested that a censure motion be brought in the House against Rahul Gandhi's act....