What began with a handshake evolved into turbulence at 33,000 feet as one of diplomacy's oddest relationships took another strange turn. The political chemistry that once defined the Trump–Macron dynamic — immortalized by a famously tense 29-second handshake in 2017 — was nowhere to be seen in midair Tuesday when U.

The US president insisted his departure had "nothing to do" with tensions over a potential Israel-Iran ceasefire.