New Delhi, March 29 -- The war involving the United States, Iran and regional actors is likely to endure far longer than anticipated, a former senior adviser on Iran policy has warned, as fresh hostilities involving Yemen's Houthi movement signal a widening conflict with global ramifications.

In an interview with POLITICO, Nate Swanson, who previously served across multiple US administrations, Including Donald Trump's first term, in senior Iran-focused roles, delivered a stark assessment of the unfolding war.

Drawing on both his government experience and recent analysis, Swanson cautioned that neither Washington nor Tehran appears prepared to de-escalate.

"I think the war is probably going to go on longer than anyone anticipated," he s...