Fueling McCain's outrage seemed to be the long time it took to Capitol Police to clear the hearing of the rowdy crowd, speak out against former Secretary of State Henry Kissinger who was set to testify.

"You're going to have to shut up or I'm going to have you arrested," finally McCain told one of the protesters.

He then apologized to Kissinger for the rough start to the hearing.

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Delta employees are under investigation because of content “related to the recent murder of activist Charlie Kirk” that “went well beyond healthy, respectful debate,” CEO Ed Bastian wrote in a companywide memo Friday. (Miguel Martinez/AJC)

Credit: Miguel Martinez