LONDON (Reuters) - Activist investor Edward Bramson’s bid to join the Barclays board is destined to fail, shareholders told Reuters, though he has sharpened scrutiny of its investment banking strategy that Bramson argues has depressed profitability. FILE PHOTO: Traders work on the trading floor of Barclays Bank at Canary Wharf in London, Britain December 7, 2018. REUTERS/Simon Dawson/File Photo When Barclays reports its 2018 results on Thursday, investors will examine whether the trading and...