All the known nuclear sites in Iran are monitored and contain no evidence of bomb making or even a desire for such. What Cheney et al think is that Iran is using secret facilities to do bomb research. Of course, since the facilities are secret, we do not know where they are. If you know where those secret facilities are, maybe you should disclose that. What do you think will happen if the Iranians shoot back? Their cruise missiles are mobile, like Saddam's scuds, but far more accurate. And if they hit a carrier or MAU in the Gulf?
Report in Lebanon: Israel Air Force strikes Syria's Quneitra, 3 terror operatives killed (Haaretz)
from the article: U.S. army chief: Iraq war has sapped ability to fight Iran