You can make a dirty bomb with any radioactive isotope of many elements. It would be much cheaper and easier to use radioactive iodine.
Once Iran uses a nuke, they know it better have serious traction and they know they better have many more, ready to use, to postpone extermination.
I don’t blame Obama, he’s stuck as any president would be without the hard evidence.
Gingrich can run his mouth all he wants but in the same position he would do the same as Obama is doing now about Iran. Any president has to make the case before going to war.
Perhaps you missed the part where Iran places no value on survival?
12th Imam?
40 years ago I had completed Nuke Weapons school and was in my first assignment.
I’m still in the defense biz and don’t need much public info to make my assessments.