Sanctions Target Iran's Weakened Regional Network

The US is preparing a new campaign of economic pressure on Iran after diplomacy and months of fighting failed to produce a durable settlement, with President Donald Trump warning countries against maintaining trade ties with Tehran. Atlantic writer and Columbia University Institute of Global Politics Distinguished Fellow Kim Ghattas is on Bloomberg This Weekend and explains to hosts David Gura and Christina Ruffini that sanctions remain a blunt tool that will deepen hardship for ordinary Iranians, but Tehran's weakened regional network and growing economic strain could make the latest pressure campaign different from those of the past 47 years.