Bibi's Bother: Will Iran smash US-Israeli 'unbreakable alliance'? (VIDEO)

Barack Obama has arrived to Israel, for the first time as US President. Obama's previous term in office was marked by frosty relations with Israel's recently re-elected Prime Minister Benjamin Netanyahu.

However, expectations of a breakthrough on the most pressing issues appear low, even among US officials, and many see the much-trumpeted visit as a PR stunt.