'Unstable Pak extremely dangerous for world'

At the face off with political novice Sarah Palin, 44, ahead of the November election Biden, known for his deft understanding of international relations, warned that the next attack on the US is "going to come from al Qaeda planning in the hills of Afghanistan and Pakistan".

He declared that his Government "will go after" terror mastermind Osama Bin Laden if there is "actual intelligence".

In the first presidential debate last week, Democrat Barack Obama too said if the US had al-Qaida leaders and bin Laden in sight and Pakistan was unable or unwilling to act, "then we should take them out."

"Iran getting a nuclear weapon would be very, very destabilising.... So they're both very dangerous. They both would be game changers," he said during the feisty debate in St Loius, Missouri.

Biden said while Republican Presidential nominee John McCain was insisting "that the central war in the front on terror is in Iraq. I promise you, if an attack comes in the homeland, it's going to come as our security services have said, it is going to come from al Qaeda planning in the hills of Afghanistan and Pakistan. That's where they live. That's where they are."

"There have been 7,000 madrassas built along that border.... that's where bin Laden lives and we will go at him if we have actually intelligence," he added

Paulin too agreed that a nuclear Iran or an unstable Pakistan were "both extremely dangerous" but said even al Qaeda had declared Iraq as the central front in the war on terror.

In the Friday debate, Obama said Pakistan had failed to take strong action against militants despite the billions of dollars from the US after the 9/11 terrorist attacks.

"They have not done what needs to be done to get rid of those safe havens," Obama said. "If the United States has al-Qaida, bin Laden, top-level lieutenants in our sights, and Pakistan is unable or unwilling...