US Senate Democrats, with support from the White House, have introduced the Defending Ukraine Sovereignty Act of 2022 (S. 3488). This bill seeks to deter a Russian “escalation” of hostilities in or against Ukraine through the threat of imposing sanctions against Russian officials and companies, as well as individuals and entities involved in the Nord Stream 2 pipeline. The bill currently has 41 cosponsors, all Democrats, so they will need to find Republican support for…