On Thursday, President Trump officially announced the nomination of Kirstjen Nielsen for secretary of homeland security. White House Chief of Staff John Kelly vacated the position in July during a reshuffle that followed the ousting of former Chief of Staff Reince Priebus. Nielsen previously served as Kelly's top aide when he was at DHS. "There will be no on-the-job training for Kirstjen," Trump raved, adding: "It's hard to imagine a more qualified candidate for this position." A cybersecurity expert, Nielsen rose to be a frontrunner for the position thanks to Kelly's recommendation. If confirmed, Nielsen would become the third woman in Trump's Cabinet.
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