the corner office

Not so sure. Horse meat is much expensive than beef, it makes no economic sense to pass it as beef. No?

That's an interesting point! I presume the horses that ended up in the UK burgers were more of the glue-factory variety.

I believe costs will go up because the risk of bad PR will mean that companies invest a lot more in monitoring and testing than they otherwise would have. That might be a good thing in many ways, but probably over the top in others.