Skadden, Arps, Slate, Meagher & Flom LLP elected two partners to its Chicago office.Rachel E. Cohn advises public and private companies in sale and acquisition transactions, including mergers, joint ventures and stock and asset acquisitions and divestitures. She also counsels clients on a range of corporate and securities matters, including securities law compliance, periodic reporting, shareholder rights plans, annual board of directors assessments and other corporate governance concerns.Ralph E. Perez advises on …