Speaking from Paris during a G7 finance ministers meeting on Monday May 18, Treasury Secretary Scott Bessent announced another 30-day extension of the sanctions waiver allowing purchases of Russian seaborne oil to aid "energy-vulnerable" countries hit by the Iran war, while urging allies to strengthen enforcement of sanctions on Tehran. Mixed messaging on the sanctions diplomatic track - softening on Russia, hardening on Iran enforcement, while reports of a separate Iran oil-sanctions waiver during negotiation period crossed the wire.