"F-- Trump!" he roared, even though foul language and profanities are prohibited on public airwaves in the United States.
In January, De Niro spoke at the National Board of Review's Awards Gala, where he reportedly called Trump a "f - -ing idiot" and referred to him as the "baby in chief". The legendary actor openly abused president Trump.
Heffernan, who has also been a regular presence in the New York Times, Slate and Wired over the years, has always been critical of Trump in her writing.
De Niro, left, and Chef Nobu Matsuhisa are partners on the new project.
De Niro is in Toronto for a groundbreaking ceremony for the Nobu restaurant and hotel, a project that the Oscar-winning actor is invested in.
Dixons Carphone hacked, close to 6 million card records compromised
Yesterday also saw Yahoo's United Kingdom arm fined £250,000 for a data breach in 2014 which affected more than 500 million users. They claim stolen data is not believed to have left internal systems, but are advising customers to take protective steps anyway.
The president said Trudeau had made "false statements" at a summit news conference and went on to call the prime minister "very dishonest and weak". The CBS television audience heard dead silence instead before he raised his arms - twice - and earned a sustained standing ovation. De Niro said he'd be happy to accept.
While the CBS broadcast censors managed to stop the F-bombs from going out to people at home, some were given the full brunt of De Niro's political commentary. "Boy, do we need that now".
Tell us how you really feel Robert De Niro.
Kushner denounced Trump's presidency as "the Hitler mistake" that let a "borderline psychotic narcissist in the White House".
"Some Broadway guy saying 'Who's gonna argue with De Niro?' Ah, tens of millions, maybe".