panetta's statement must be taken at face value. the us will keep the strait of hormuz open. there is no indication, however, that the us will keep iran from going nuclear. the sanctions, being imposed "gradually," are not effective at all. they might worsen iran's economy, but they will not stop iran's nuclear weapons program.
Labor court orders Jerusalem light rail operators to return to work (Haaretz)
from the article: U.S. rejects Israeli assessment that Iran sanctions are ineffective