Barclays has reportedly asked ex-CEO John Varley to help it challenge a $50 million fine.The British banking giant will appear before the upper tribunal in London this week, challenging the fine over an emergency fundraising with investors from Qatar at the height of the 2008 financial crisis, the Financial Times (FT) reported Sunday (Nov. 24).According to the report, the case is focused on the steps Barclays took to avoid a government bailout following the crisis that occurred with the implosion of Lehman ...