The wedding ceremony was scheduled to kick off at 3 p.m. at a lavish 56-acre estate in Winston-Salem, North Carolina. Seated in the audience on that November afternoon was a high-profile guest, Secretary of State Marco Rubio, who may have had other things on his mind. Over the past 48 hours, Rubio had been grappling with a snowballing diplomatic crisis after the leak of a U.S.-backed peace plan spearheaded by President Donald Trump's envoy, Steve Witkoff, that was seen as tilting heavily in favor of Russia over Ukraine...