 NEW ORLEANS--BUSINESS WIRE--Former Attorney General of Louisiana Charles C. Foti, Jr., Esq. and the law firm of Kahn Swick Foti, LLC KSF are investigating the proposed sale of West Suburban Bancorp, Inc. OTC: WNRP to Old Second Bancorp, Inc. Nasdaq: OSBC. Under the terms of the proposed transaction, shareholders of West Suburban will receive 42.413 shares of Old Second common stock and 271.15 in cash for each share of West Suburban that they own. KSF is seeking to determine whe 