U.S. Senators Rob Portman (R-OH) and Ben Cardin (D-MD) have sent a letter urging President Biden to revoke tax-related benefits extended to Russia, including through the suspension of the 1992 U.S.-Russia tax treaty and the exchange and sharing of tax information. --- Portman, Cardin Urge President Biden to Revoke Tax-Related Benefits Extended to Russia WASHINGTON, D.C. – U.S. Senators Rob Portman (R-OH) and Ben Cardin (D-MD) sent a letter to President Biden urging him to consider new options to target Russia's economy, focusing on suspending both the U.S.-Russia tax treaty and the exchange and sharing of tax information. "In light...