<p>Critics of the Iran deal believed the August congressional recess was their best chance to scuttle the nuclear accord, as wavering lawmakers returned home to angry protesters and a barrage of TV ads. The longer the deal hung out there, they figured, the worse it would be for President Barack Obama.</p><p>Instead, the monthlong break has been a major bust.</p><p>Opponents of the Iran agreement — led by the powerful American Israel Public Affairs Committee, among others — are following through on pledges to spend $30 million-plus on a TV ad blitz and lobbying effort designed to whip up opposition to the measure.