Multiple witnesses tell CBC News that U.S. Ambassador to Canada Pete Hoekstra lashed out at Ontario trade representative David Paterson at an event in Ottawa on Monday, with one witness saying Hoekstra appeared to be upset about Ontario's U.S. ad and could be heard using the F-word. Former minister of foreign affairs John Manley and former U.S. ambassador to Canada Gordon Giffin react. Plus, CBC's Peter Armstrong breaks down why the Bank of Canada delivered another interest rate cut on Wednesday, and why the Federal Reserve did the same in the U.S.

A senior provincial source says Prime Minister Mark Carney saw Ontario's ad 'well in advance' of when it aired in the U.S., but after U.S. President Donald Trump halted trade talks, Carney called Ontario Premier Doug Ford to ask him to take it down. Alberta Education Minister Demetrios Nicolaides defends the province's use of the Charter's notwithstanding clause to force striking teachers back to work. Plus, interim NDP Leader Don Davies responds to the Liberal House leader's assertion that they 'don’t have the votes’ to pass next week's federal budget yet.

U.S. President Donald Trump was unable to say when his threat of a 10 per cent increase to tariffs on Canadian goods would become a reality on Monday, but said he wouldn't meet with Prime Minister Mark Carney 'for a long time.' Jobs Minister Patty Hajdu responds, and details a new set of budget announcements aimed at increasing tradespeople and bolstering the economy against U.S. turmoil. Plus, David Frum, who was a speechwriter for former president George W. Bush, evaluates why Trump has had such a strong reaction to the Ontario ad that the president claims is 'fake.'