Closer transatlantic trade links could support one million jobs, Gordon Brown says today.

"Better trade relations could generate as much as £70 billion and a million jobs," the chancellor and US Treasury secretary John Snow write in a joint article for the Wall Street Journal Europe.

"Our aim is to create a culture of enterprise where what matters is not where you come from but what you aspire to."

The pair will host a New York summit aimed at creating more entrepreneurs. Virgin tycoon Sir Richard Branson will be among speakers.