A federal judge has declined to block Chicago lawyers Beau B. Brindley and Michael J. Thompson from acting as defense attorneys for a man indicted on drug charges.In a written opinion, U.S. District Judge Ronald A. Guzman denied prosecutors’ motion to disqualify Brindley and Thompson from representing Daniel Galicia.The law partners’ acquittal in a separate criminal case removed a “possible source of conflict” with Galicia, Guzman wrote.Last month, Brindley and Thompson were found not guilty of …