"He spends his weekend obsessing over wonderful great men because he knows it and I know it, he will never be a great man. My father was his kryptonite in life and his kryptonite in death… And I just thought, 'Your life is spent on weekends not with your family, not with your friends, but obsessing, obsessing, over great men you could never live up to.' That tells you everything you needed to know about his pathetic life," Meghan McCain said.
The row began Sunday with Donald Trump's tweets criticising former senator John McCain's role in the infamous Steele dossier, as well as Meghan McCain's reaction to Trump's Twitter attack.
READ MORE: Undaunted, Trump Attacks McCain for Second Straight Day Over Russiagate Dossier
Republican Senator John McCain, who passed away of cancer-related complications last August, was one of the most vocal critics of Donald Trump, his condemnation of the real estate billionaire beginning shortly after Trump launched his presidential bid.