North Korea has threatened the United States with a preemptive nuclear attack. The threat came hours before the United Nations Security Council approved tougher sanctions against the regime. North Korea is not believed to have the capability the launch such a strike. Sally Kidd is in Washington with the latest.
Ferguson Police Officer Darren Wilson told ABC's George Stephanopoulos that he was sorry for the loss of life when he shot unarmed teen Michael Brown last August but that his conscience is clear because he was simply doing his job.