SINGAPORE (Reuters) - The United States is lobbying Asian governments to join in sanctions imposed by Washington and the European Union against Russia over its support for separatist rebels in eastern Ukraine, a senior State Department official said on Wednesday. The European Union and United States an**unced further financial measures against Russia on Tuesday, targeting its energy, banking and defence sectors in their strongest action yet. **w they are looking for backing from Asia, given that Russian trade flows are focused increasingly on that part of the world