Again. Cheap, low quality "meat", (or meat food product). Know what you're buying, and from whom you're buying it and the risk of contracting a food borne illness goes down to virtually nothing.
Taco Bell's e coli bender was linked to their green onions. Again, I'm sure everyone (including the public) trusted the source of their green onions.
We don't need the government to make more laws - we need these restaurants to take the steps necessary to ensure they don't get people sick.