India, Dec. 5 -- The global order is in flux. And at the heart of the churn is US President Donald Trump, who has upended decades of established international policy.

Edward Luce, the chief US commentator at the Financial Times, argues that Trump's foreign policy does not lend itself to easy definition, is driven by financial opportunities, and that he gravitates away from rules-based systems.

In an online session at the 23rd Hindustan Times Leadership Summit, Luce also painted a picture of a White House driven by a chaotic agenda and the whimsies of the two-time president, who has in his second term moved swiftly to redraw America's domestic and foreign agendas.

"You'll see him getting along better with Pakistan, for example, than wit...