But few other than Stephen Hawking wish to stick their necks out by predicting how long it will take (let alone lay money on it).

ECONOMIST: The truth is out there. Maybe

Let's lay it for future growth.

CNN: Commentary: Big risk in Obama's economic stimulus plan

Does that suggest that the White House will stop now on offering any more jobs plans, or are you going to kind of lay back and let things take hold and see where it goes?

WHITEHOUSE: Press Briefing

"I think what they are trying to do ... is to lay out broad principles here and let Congress sort of do the heavy lifting on the details of it, " he said.

CNN: Obama calls for 'dramatic action'