Omarosa Manigault Newman

This image released by NBC Today shows reality TV personality and former White House staffer Omarosa Manigault Newman during an interview on the "Today" show on Monday, Aug. 13, 2018, in New York. Manigault Newman was promoting her book "Unhinged." (Zach Pagano/NBC via AP)
August 14, 2018 - 7:34 am
President Donald Trump escalated his messy clash with former aide Omarosa Manigault Newman on Tuesday, referring to the longtime colleague, who had been the top African-American in his White House, as "that dog!"
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