How Mauricio Pochettino, a ‘200%’ Argentine, embraced America

SEATTLE — Mauricio Roberto Pochettino Trossero grew up on farmland in the province of Santa Fe, Argentina, surrounded by cows on a multi-hundred-acre ranch, 200 miles west of Buenos Aires and a world away from America. Now, at age 54, he is America’s coach. He has led the U.S. men’s soccer team to the World Cup’s round of 16. He has endeared himself to an American public that has heeded his one-word commands: Dream. Believe. But then, as the son of a third-generation cattle farmer near the tiny town of Murphy (pop. 3,000), he knew the United States only as…