Others, well-intended, are pressing ideas for the area that would limit the scope of the Libeskind vision and drain resources away from the grander plan.
Squabbled over by politicians, invaded by protesters, battling to expand at the very time climate science demands we wean ourselves off flight, they remain central to the culture, the place where the most pressing ideas about our futures selves play out.
Last week he was pressing his ideas for the unification of the continent at the African leaders' summit in Zambia.
Yet in pressing an idea that senators quickly denounced as absurd, the Defense Advance Research Projects Agency, or Darpa, is doing what it is supposed to do -- think outside the box.
Clegg is not said to be pressing the idea for this budget, but wants to see it on the table for the next one.
To make their case, they are pressing the idea that expanding Medicaid, the federal and state program that provides health care to poor and disabled people, is the best way to stabilize the state's health care system, already buckling under the weight of caring for uninsured patients.
Non-governmental groups have created a sense of destiny about the Paris meeting, pressing the idea that this is the world's last chance to act to avoid catastrophic change, and that a deal is certain: "Now is our time," says Obama's special climate envoy, Todd Stern, urging all countries to compromise this week.
(Bent? Birgitte. You really betrayed him?) Even when it seemed she didn't have a clear idea of what she wanted to do with that power – the scene with Kasper pressing her for ideas was a particularly clever one, I thought.
So far, Hollande's strategy has been to carry on much as usual, pressing home his ideas such as a 75% tax on income over the €1m (£836,000) mark, and arguing that a huge, strategic rallying Socialist vote is needed in the first round in order to beat Sarkozy in the 6 May runoff.
Turkey accepted the proposal while Israel did not, but Mr. Ban said he was continuing to discuss his plan with the Israeli government, pressing for the idea that the two inquiries could complement each other.
Once again blazing a trail that no one else in their right minds would follow, Radiohead follow up the digital experiment of In Rainbows with another revolutionary idea: pressing just one copy of their album and strapping it to the back of a horse.
