NEW : `` This is a dangerous time , actually , '' says Middle East analyst . The president is set to meet with Netanyahu . ` For example , should Iran , right after these parliamentary elections , think that an Israeli military strike is certain in the next few months , there is some incentive to go first . '' ` It 's unacceptable for Iran to have a nuclear weapon , '' Obama says . But he adds that the United States will not allow it to get there without American action.
NEW : `` This is a dangerous time , actually , '' says Middle East analyst . The president is set to meet with Netanyahu . ` ` It 's unacceptable for Iran to have a nuclear weapon , '' Obama says . But he adds that the United States will not allow it to get there without American action.