The Trump family pocketed at least $100 million from India’s richest dynasty, the Ambanis, through a secret stake in an obscure Texas refinery startup. A pattern also seen with another billionaire, Gautam Adani, reveals a consistent U.S. strategy: first, threaten tariffs, sanctions, or prosecution; then, after money flows from Indian billionaires toward the U.S., make the legal and trade problems disappear. In exchange for the Indian investment in the Texas refinery startup, the White House delivered a string of major policy wins for the Indian energy conglomerate, including a Venezuelan oil license, according to a ProPublica investigation published Tuesday. NEW: Earlier…