Hillary Clinton: US budget crisis critical to security

US Secretary of State Hillary Clinton said sealing a deal to tackle America's budget crisis is critical to its global leadership and national security.

Speaking in Singapore, as part of a tour of Asia and Australia, she said an agreement would bolster efforts to project US economic power around the world.

When she was in Asia last year, the region's leaders asked her whether the US Congress would allow the United States to default on its debt.