"Neither has the U.S. failed, nor the Taliban coming back," he said. "Al Qaeda is defeated."
Karzai called the reports of thousands of suicide bombers a "sign of desperation."
"You kill yourself if you're very disappointed. You have no hope of life," he said. "It's a disgrace. … The majority of them are drug addicts, desperately ill people and those who have no hope of life. Their families are paid some money and said this man is going to die anyway."