Video: ?Too much loose talk of war?

>>> making a lot of people increasingly nervous, about iran and its nuclear program . it was a backdrop today as president obama addressed this country's most important pro israel lobbying group , apac. trying to tone down talk of war with iran and the eve of an important meeting with israel 's prime minister. we get the latest from nbc's mike viqueira.

>> reporter: today president obama left no doubt, iran 's nuclear ambitions must be stopped.

>> when it comes to preventing iran from obtaining a nuclear weapon , i will take no options off the table. and i mean what i say.

>> reporter: with expectations growing of an israeli strike against eye reason's nuclear site, the president reassured a key ally and supporters in apac.

>> when the chips are down, i have israel 's back.

>> reporter: but the president also appealed for time to allow sanctions against iran to work, and called on leaders to tone down the rhetoric.

>> already there is too much loose talk of war. for the last few weeks such talk has only benefited the iranian government by driving up the price of oil.

>> reporter: the speech come on the eve of israeli president benjamin netanyahu 's visit to the white house for a crucial meeting. it will be the ninth face to face session in what has been a rocky relationship. visiting canada friday, netanyahu made his stance on iran clear.

>> like any sovereign country, we reserve the right to defend ourselves against a country that calls and works for our destruction.

>> reporter: as tension mounts, the issue has spilled into the campaign. republicans accuse the president of being soft on iran .

>> if barack obama gets re-elected, iran will have a nuclear weapon and the world will change.

>> reporter: experts say there can be little doubt of israel 's resolve.

>> if the israelis judge that their interests require an attack on iran 's incipientient nuclear facilities before the end of the calendar year, very little, there is very little any american president in my judgment will say or would say to stop them.

>> reporter: and, lester, it would be difficult to overstate the stakes involved here. experts say if there is a military strike against the iranian facilities, iran would likely retaliate against u.s. forces across the region. lester?

>> mike viqueira at the white

Source: http://video.msnbc.msn.com/nightly-news/46622067/

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