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The video covers three main topics: Republican lawmakers requesting additional witnesses, including Hunter Biden and the Ukraine whistleblower, for the impeachment inquiry; Facebook's decision to remove content naming the whistleblower; and Iran's discovery of a large oil field, potentially boosting its global oil reserve ranking.

What did Republican lawmakers request regarding witnesses in the impeachment inquiry?

What action did Facebook take concerning the anonymous whistleblower's identity?

What significant discovery did Iran announce regarding oil reserves?

How would the new oil field discovered in Iran affect its ranking in proven oil reserves?

What was the context of the headlines mentioned at the end of the text?