for the United States. That should be his primary responsibility. And by the way, Rosner's "Israel Factor" is the epitome of Zionist (note that i said zionist and not Jewish) selfishness. Israel needs to start solving its own problems (and taking responsibility) instead of attempting to manipulate the rest of the world for support.
U.S., allies conduct 22 strikes against ISIS targets in Iraq, Syria (Reuters)
from the article: Sen. Obama: U.S. must support Israel's right to self defense