Particularly if the report that Iran is the one that revealed a plant is true. The NPT requires that any such facility be announced and made open for monitoring and inspections before it starts enrichment. If Iran has revealed a second plant, then it has also managed to complicate immensely the problem of attacking it's facilities. We shall see what happens. And, hopefully what it has. Given the small number of tanker assets Israel has, and the resultant small number of attack aircraft they could support, a second enrichment facility would make it very unlikely that both could be hit in a single strike. Iran, it would seem, has put an end to Netanyahu's dream and perhaps done it while barely hewing to the NPT.
First refugees travelling on Hungarian bus arrive at Austrian border (Reuters)
from the article: Obama: We'll mull 'sanctions that bite' if Iran nuclear talks fail