Lionel Scaloni has turned Argentina into a well-oiled, winning machine
EAST RUTHERFORD, N.J. — Argentina entered the Copa América tournament as reigning Copa and World Cup champions, with nothing left to prove — just another trophy to play for. Lionel Messi no longer yearns for the validation of his country or feels the burden of achieving success after captaining La Albiceleste to back-to-back titles in 2021 and 2022. Ángel Di María, who once received criticism for his lack of accomplishments…