DALLAS--(BUSINESS WIRE)--Kendall Law Group, led by former federal judge Joe Kendall, is investigating certain officers and directors of Merge Healthcare (NASDAQ: MRGE) on behalf of shareholders to determine whether the officials breached their fiduciary duties to shareholders in the proposed sale to an affiliate of IBM. According to the agreement, Merge shareholders will receive $7.13 per share in cash, for a total transaction value of $1 billion. The national securities firm’s investigation se