Obama boosts ties with 'eternal' ally Israel
US president opens visit with pledge of solidarity over Iran's nuclear programme, adding "all options are on the table".
Obama vows to keep Iran from nuclear weapon
Obama says US prefers to resolve Iran nuclear issue diplomatically, but warns that all options are on the table.
Obama: Iran nuclear bomb 'over a year' away
US president tells Israeli TV channel that the US will not wait until the last minute to stop alleged weapons programme.
Obama Sets Timeline on Iran Nuclear Bomb
Obama said it would take Iran a year or more to build a nuclear weapon, an assessment that sets up a potential area of discord with Israel's leader days before the U.S. president visits the Middle East.
Obama lays out priorities for second term
President touches on Afghanistan, North Korea, Syria and Iran, but State of Union speech dominated by domestic issues.