1. Supported the most corrupt officials in Ukraine against the government.
2. Withheld singlehandedly $400 min of badly needed US aid.
3. Dragged the new Ukrainian President into his world of lies, trying to extort him into crime.
5. Sacked excellent US career ambassador Marie Yovanovitch.
6. Left eminent Ukraine envoy Kurt Volker with no choice but resign.
7. Supported Putin whereever he could.