FILE - In this file photo of March 13, 1991, (then) McDonald's Corp. President Ed Rensi shows off the McLean Deluxe Burger during a news conference at the company's Oak Brook, Ill., headquarters. The ... more 
FILE - In this file photo of March 13, 1991, (then) McDonald's Corp. President Ed Rensi shows off the McLean Deluxe Burger during a news conference at the company's Oak Brook, Ill., headquarters. The lower fat hamburger made with seaweed derivative never really caught on with customers. (AP Photo/Ralf-Finn Hestoft, File) less 
1 / 1
Associated Press | Photo By Ralf-Finn Hestoft, File
Mon, Oct 3, 2011 3:50 AM EDT