In the law firms Polsinelli P.C. elected Robert E. Entin, Daniel L. Farris and Rodney L. Lewis to shareholder. Entin handles labor and employment matters. Farris has a science and technology practice. Lewis practices financial and fiduciary litigation.• GoodSmith, Gregg & Unruh LLP added Katherine S. Walton as an associate in its litigation group. Walton handles litigation, complex commercial disputes and class-action matters. She was previously with Latham & Watkins LLP.• Corboy & …