US Bid to Curb Iranian Oil Bedeviled by Economics, Election

"... One way to slow exports is to start targeting individual ships that carry the oil, said Claire Jungman, chief of staff at United Against Nuclear Iran. “There are 360-plus vessels currently traveling the waters right now transporting Iranian oil and 90% of those are not sanctioned,” said Jungman. “Starting with sanctioning the vessels would have a huge impact.”"