No weapon doesn't mean war or an attack or even an end of a civilian nuclear program for energy. It only means no weapon. Israelis are entitled to be uncomfortable with Iran. But starting WW III preemptively with no evidence of an actual weapon is not an option. Time for Obama to force both sides to the table - use one of the Gaza cards as a hammer.
Palestinian sources: Israel holding secret talks on arrest conditions of hunger-striker (Haaretz)
from the article: Netanyahu: No peace until Palestinians accept Israel as Jewish state