qa,
There is no evidence that North Korea had any actual nuclear weapons until after 2001. It *did* possess plutonium and the Clinton Administration successfully got them to give some of it up. While Saddam Hussein was a rasha he was not on the same scale as the people who run North Korea and we knew for sure that he did NOT have a functioning nuclear program in 2003.
And it is not clear that what replaced Saddam Hussein is any better for Israel than Hussein himself. Iraq remains in a state of hot war with Israel and could legally attack Israel at any time; that is unlikely only because of lack of military capability not lack of hostility.
Regarding the USS Cole, it was not clear for several months that Al Qaeda was behind the bombing. It was not until January 25, 2001 that we were pretty sure that Al Qaeda was responsible, but that was after Clinton had left office; Condeleeza Rice told the 9/11 commission that President Bush decided not to respond and that she had supported that decision. So the blame, if any, for a lack of appropriate response to the Cole attack falls on Bush, not Clinton.