ATLANTA, July 8 : International football has long resisted the foreign coach, especially the major nations who view the World Cup as an expression of national identity, but with Thomas Tuchel's England and Rudi Garcia's Belgium reaching the quarter-finals, the old taboo is being tested again. At the start of the tournament, 27 countries had non-nationals at the helm, up from nine four years ago, but only German Tuchel and Frenchman Garcia remain in contention to become the first foreign coach to lift the trophy.The last time a foreigner led a side to the final was Austrian Ernst Happel whose Netherlands team lost to Argentina in 1978, but England may finally have found the recipe after unsuccessful foreign-coach experiments with Sven-Goran Eriksson and Fabio Capello. Others — most notably