Top Secret: Prototype of the next America’s Cup Design

A great post Sunday's BYM about the latest twist in the AC debacle. According to BYM, Golden Gate Yacht Club's challenge was to race a 90'x90' keel yacht. Technically that's a very big barge. I used to try to cross these in the Houston Ship Channel with my little Cape Dory. Let me tell you, these babies can shift! Apparently, I am not alone in thinking a keel yacht is a monohull. There are a lot of people wondering why no one picked on this till  now. GGYC's Commodore goes to great length to dispel this as a pedantic quibble. Nigel Irens says not:

The terms 'Multihull' and 'Keel Boat' (or less commonly used 'Keel Yacht') are used to differentiate between two types of boat that are fundamentally different. A 'Keel Boat' derives its stability from the use of ballast whereas a 'Multihull' carries no ballast and derives its stability from its width. The term 'Keel Yacht' could, therefore, not be applied to describe a multihull.

I say they should compromise and start sailing these: