Remember when Bill Clinton essentially handed the Norks the money and tacit approval to enter the nuclear weapons community? He even thawed out the execrable Jimmy Carter to negotiate the deal. That's basically what Obama did with Iran, only Iran is far more of a threat than North Korea. The Norks are sociopathically paranoid about somebody attacking them, while Iran is sociopathically aggressive and may attack Israel or somebody else when their deranged mullah leaders order it.
Obama's weak position of appeasement will likely lead to a nuclear arms race in the volatile middle east where deranged religious zealotry and lunacy constitute foreign policy.
At least Hitler and Kim Jong-Un feared retaliatory strikes from allies of the nations toward whom they were aggressive, but the nutty Ayatollahs fear nothing, even welcome it.
The middle east may well be the next place we see one of these......