New Delhi, May 7 -- In their first in-person meeting since Mark Carney became Canadian Prime Minister, US President Donald Trump hosted him at the White House on Tuesday (May 6). While the meeting was marked by diplomatic courtesies and mutual praise, stark disagreements emerged on trade, sovereignty, and future relations.

Here are the key takeaways from the high-stakes Oval Office exchange:

US President Donald Trump flatly rejected the possibility of lifting tariffs on Canadian imports during a high-profile Oval Office meeting with Canadian Prime Minister Mark Carney on Tuesday.

Asked if Carney could say anything to persuade him to end tariffs on Canadian goods, Trump gave a one-word answer: "No."

Though Trump described the meeting a...