I hesitate to declare Lord Foster's design a recall to order.

Here Lord Foster's approach to history is frank and direct.

"If the decision is that it does stay there, that's a challenge," Lord Foster said.

Lord Foster was chosen to make the necessary alterations.

"You wonder how much mass can be carried with such little interruption," Lord Foster said.

At 71, Lord Foster is hardly new to such challenges.

"I felt very uncomfortable with that direction," Lord Foster said, so he moved the office space up into the tower.

Lord Foster said yesterday that he would "start from scratch" on his trade center design.

Lord Foster's canopy design, included by all three layouts under review now, has been the focus of debate as well.

Lord Foster, still a rising star in 1990, has gone on to dominate the profession.