Israel has no particular issue with North Korea.
On the flip-side, the Israel Lobby in the U.S do have issue with Syria, Iran & Palestine (and in the past Iraq) to name but a few. And the Israel Lobby controls the hearts & minds of millions of voting Jews in the U.S.
A long but interesting read. http://www.amazon.co.uk/Israel-Lobby-US-Foreign-Policy/dp/0141031239/ref=sr_1_2?s=books&ie=UTF8&qid=1377862526&sr=1-2