Estimates of when Iran could have a nuclear bomb differ widely . Senior Israeli lawmakers have Iran top of the country 's threat list . Comment: Former diplomat says it is believed Iran still has secret sites for nuclear program . One analyst says if Iran develops nuclear bomb it does not mean they would use it .
Senior Israeli lawmakers have Iran top of the country 's threat list . Comment: Former diplomat says it is believed Iran still has secret sites for nuclear program . One analyst says if Iran develops nuclear bomb it does not mean they would use it .