New Delhi, Jan. 23 -- A sudden decision broadcast via Truth Social signals a new era of transactional foreign policy and public diplomatic confrontation.

WASHINGTON - In a move that underscored both the volatility and theatricality of contemporary US diplomacy, President Donald Trump announced on Thursday that he had revoked an invitation extended to Canadian Prime Minister Mark Carney to join the US-led Board of Peace, abruptly halting what had been framed as a symbolic step toward deeper bilateral engagement.

The decision was delivered not through diplomatic channels, but through a public statement posted on Truth Social, a platform Trump has repeatedly used to bypass traditional media and diplomatic protocol. According to Trump, who ...