Biden says US 'devoted' to defending Israel amid fears of Iranian attack US President Joe Biden on Friday said the US is “devoted” to defending Israel and “Iran will not succeed” as Israel braced for a possible Iranian attack after an airstrike killed two Iranian generals in Syria last week. "Iran is trying to thread a needle here, trying to give a response to impress its own population ... but also not hoping to spark a wider conflict with Israel and particularly the United States," FRANCE 24's Fraser Jackson said, reporting from Washington.