Most American politicians support Israel because it is in their own interest to do so. When this changes, their support will also change without so much as a "see ya later Israel". AIPAC's job is to keep this from changing for as long as possible. They can take some credit for playing the American political system to their advantage, but it is funny to see them attribute this to sentimental affection on the part of the American politicians.
U.S.-led coalition conducts 13 airstrikes against ISIS targets in Syria, Iraq (Reuters)
from the article: U.S. midterms: AIPAC lauds re-election of pro-Israel stalwarts