The full-scale invasion of Ukraine is less than a week old and most of us have watched in horror as Russian tanks rolled into a sovereign country only to face the resilience and bravery of the Ukrainian people determined to defy the odds and push back the invading army. Many of us will be feeling a sense of dread that things will get worse before they get better, and that we are witnessing the most dramatic geopolitical tectonic shift in a generation. Almost all of us are feeling completely powerless.