By Ross Kerber BOSTON (Reuters) - JPMorgan Chase & Co will soon issue a report outlining improved controls it has been enacting in the wake of recent missteps, including its role in the 2008 financial crisis, according to a shareholder activist who has seen a draft. The report could add pressure on other banks to show tangible changes to policies after a slew of scandals tainted the industry, according to the activist, Seamus Finn, chair of the board of the Interfaith Center on Corporate Responsibility. ...