He didn't know how to follow a wheel.

His grandfather insisted on spotless good order, and the shop had a reputation for cleanliness, one maintained by Frank’s mum, who for years would get down on her knees and scrub out.

Very little was spoken as they coffee-ed up and she cut the peppers.

Roger Yates, chief executive officer of Henderson Group Plc in London, which oversees about $125 billion said Greenspan's remarks were blinding obvious.