Will Israel attack Iran?

The talk of an Israeli attack on Iran has been ratcheting up for the past year. Prime Minister Netanyahu has consistently called for more severe action than the current strategy of sanctions. American and Israeli media has been stoking the fire, building a narrative towards an all out strike on Iran. 

Iran has consistently denied its uranium enrichment is for weapon building, stating that the program is for electricity and medical applications only, but some experts believe such high levels of enrichment are not needed for energy purposes. The nuclear issue has become the catalyst for talk of war.

With talks on Iran's nuclear programs having taken place in Baghdad, and voices from within Israel such as Dan Meridor, Israeli Minister of Intelligence and Atomic Energy, and General Lipkin-Shahak warning against an attack, how likely is a strike on Iran? And if so, how soon?