In addition to multiple class-action shareholder suits, Adelphia itself has sued the Rigas family and the company???s former auditor, Deloitte & Touche LLP. Most recently, the creditors??? committees filed a lawsuit on Adelphia???s behalf against a group of more than 450 banks, including Bank of America Corp. and Wachovia Corp., which they accuse of knowing about the improper loans. ???The pending