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The video covers three main topics: the death of Dr. Liwen Liang, who warned about the coronavirus; the results of the Iowa caucuses, where Pete Buttigieg and Bernie Sanders are in a virtual tie; and President Trump's response to his acquittal on impeachment charges. Dr. Liang was reprimanded by Wuhan authorities before succumbing to the virus. The Iowa caucuses show a close race among Democratic candidates. President Trump plans to address his acquittal at the National Prayer Breakfast, expressing his ordeal with the impeachment process.

What was the outcome of the Iowa caucuses mentioned in the text?

What did President Trump say about the ordeal he faced?