Washington is never lost in its desire to retain its strategic interests in South Asia. Trump's revocation of sanctions waiver for India on Iran's Chabahar Port and his pushback to regain access to Bagram Air Base in Afghanistan are tools of re-engagement in the region. As far as withdrawal of the waiver under the Iran Freedom and Counter-Proliferation Act is concerned, it is a blow to New Delhi and comes at a time when India and the US are in locked a duel over trade and tariff concessions. The........

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