(NBC) -- President Obama is in New York today. He'll address the United Nations general assembly - his last big international speech before November's election.

There's a lot at stake, not only on the world stage, but politically, for President Obama.

Aides say he'll focus on the recent unrest in the Middle East, and the deaths of Ambassador Chris Stevens and three other Americans in Libya.

Mitt Romney is criticizing the President for calling these events "bumps in the road." "These are not bumps in the road, these are human lives, they are developments we do not want to see." "Considering those events either one of them or all of them collectively as bumps in the road shows a person who has a very different perspective about world affairs and the perspective I have," said Mitt Romney (R) Presidential Nominee.

Today's U.N. speech will be the president's first international address since violence erupted across the Muslim world --

In bilateral meetings Monday, Egypt's President told Secretary of State Clinton security of the U.S. Embassy there is their duty.

Also today, President Obama's expected to emphasize: the U.S. must keep nuclear weapons away from Iran.

Iran's president is already making waves in New York. Despite warnings from the U.S., he declared Israel will be "eliminated."

The U.S. called that comment "disgusting, offensive and outrageous."

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