[This Day] The epic battle over the retention or ban of old Naira currency notes in the 200, 500 and 1,000 denominations shifted to the Supreme Court last week, when the Attorneys-General of three States, Kaduna, Kogi and Zamfara approached the Apex Court on the issue of the deadline set by the Central Bank of Nigeria (CBN) for them to cease to be legal tender, by virtue of the directive of the President for same. The Attorney-General of the Federation promptly joined the fray, by challenging the jurisdiction of the