Senior lawyers working in the law firm Eversheds Sutherland Ireland have appointed multiple advisors as different groups of partners deal with the fallout from the collapse of merger talks with William Fry.  The decision to end talks between the two firms came after many months of talks between the two firms, unknown to Eversheds Sutherland International, which controls the global law firm brand. Now, partners have split into multiple factions as they seek to determine what is best to do next.  Leading litigation lawyer Pamela O’Neill, who opposed the merger with William Fry, was named on Thursday by Eversheds Sutherland…