Arnstein & Lehr LLP announced this morning it has combined with the Philadelphia-based firm Saul Ewing LLP to create Saul Ewing Arnstein & Lehr LLP.The firms confirmed merger talks to the Daily Law Bulletin in late May.The combined firm will be lead by managing partner Barry F. Levin out of Saul’s Baltimore office. The Chicago office inherited from Arnstein will be the largest in the newly national operation, and Chicago’s administrative functions will remain intact.“For many years, Saul Ewing …