By Humeyra Pamuk and Jacob BogageWASHINGTON/LUCERNE, Switzerland, June 19 (Reuters) - U.S. Vice President JD Vance is poised to take on his biggest role yet on the international stage as President Donald Trump's chief negotiator to end the three-month war with Iran, a moment that could shape Vance’s prospects as a White House successor.

Vance, a former Marine, has long been considered one of the more dovish voices in President Donald Trump's inner circle.

President Donald Trump on Wednesday said that he liked the idea of blaming Vice President JD Vance if a deal to end the war with Iran does not work out. Trump, addressing…

The opportunity for Vance is that ending the war and shifting the focus back to domestic issues is what’s best for the GOP.

US Vice President JD Vance has emerged as one of the most prominent figures in President Donald Trump's administration during efforts to end the three-month war with Iran. As…

WASHINGTON -- US Vice-President JD Vance departed Washington for Switzerland on Saturday for talks with Iran.