Joe Biden, who was part of the Iran nuclear negotiations under Barack Obama in 2015, called Donald Trump erratic in the wake of the Qassem Soleimani killing. AFP
Joe Biden, who was part of the Iran nuclear negotiations under Barack Obama in 2015, called Donald Trump erratic in the wake of the Qassem Soleimani killing. AFP

Democrats are playing politics with US policy on Iran – and Tehran will exploit this