In September, Mr Tusk used a United Nations speech to slam the President's views as "false and dangerous" after just a month earlier calling Mr Trump's desire for Russian Federation to rejoin the G7 a "business calculation".
Tusk, who was head of the European Council from 2014 till final month, now leads the centre-right European Folks's Celebration.
Since taking office, US President Donald Trump has repeatedly pressured North Atlantic Treaty Organisation member states to increase defence spending, making it one of his signature issues, urging all members to meet their 2 percent of GDP commitment, and to ultimately aim for 4 percent.
The ad begins with the footage of Canada's Prime Minister saying to other world leaders, "You just watched his team's jaws drop to the floor", a comment made in reference to Trump's surprise announcement that the next G7 will be held at Camp David.
A video of Justin Trudeau gossiping with other world leaders about Donald Trump is featuring in an advertisement for the USA president's leading political rival.
"The world is laughing at President Trump", the former vice-president tweeted.
Donald Trump recently returned to Washington from London, where he participated in the summit of North Atlantic Treaty Organisation leaders, marking the 70th anniversary of the defence alliance, held on 3-4 December.
"The world is laughing at President Trump", Biden tweeted. We won't be doing a press conference at the close of North Atlantic Treaty Organisation because we did so many over the past two days'. But he also said Trudeau is "a nice guy".
United Nations seeks probe into Iran's handling of protests
Pregnant at the time of her arrest, she was sentenced to 27 months but released after already serving time in custody. Iran's Supreme Leader Ayatollah Ali Khamenei has ruled out direct talks between the nations.
The President of the United States Donald trump pointed to the possibility of adopting measures in the field of trade in respect of those North Atlantic Treaty Organisation members who do not fulfill their commitments to the budget of the Alliance.
Since taking office Trump has repeatedly denigrated the European Union, once describing the bloc as a "foe" when asked which nations or leaders he considered to be adversaries of the US.
He wrote in Die Zeit: 'For the primary time in historical past, there may be an American president who's overtly in opposition to a united Europe.
Out of that fleeting exchange, we get "Other Leaders Never Get to Say What They Really Think of Trump" by Joshua Keating.
Macron raged that the video - stated to be captured by freelance cameraman Andy Laurence and handed to broadcasters earlier than being first aired by the Canadian Broadcasting Company - was "stolen" as cameras shouldn't have been rolling in that room. "I do not know the place that has come from".
During a speaking event in Iowa the same day, Biden said he believes people worldwide are concerned about Trump in office.