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The video covers Rudy Giuliani's refusal to comply with a congressional subpoena related to his dealings with Ukraine, where he is accused of pursuing a shadow foreign policy. It also discusses the US response to Turkey's invasion of Syria, including sanctions and the withdrawal of US troops. Finally, it previews the fourth Democratic primary debate in Westerville, Ohio, highlighting the candidates and issues to be discussed.

How did Democrats respond to Turkey's actions as mentioned in the text?

What is the significance of the 4th Democratic primary debate mentioned?