Klinsmann impressed by good start by CONCACAF teams at World Cup, wants US to join

  • United States' head coach Jurgen Klinsmann juggles a soccer ball before an official training session the day before the group G World Cup soccer match between Ghana and the United States at the Arena das Dunas in Natal, Brazil, Sunday, June 15, 2014.  (AP Photo/Julio Cortez)

    United States' head coach Jurgen Klinsmann juggles a soccer ball before an official training session the day before the group G World Cup soccer match between Ghana and the United States at the Arena das Dunas in Natal, Brazil, Sunday, June 15, 2014. (AP Photo/Julio Cortez)  (The Associated Press)

  • United States' head coach Jurgen Klinsmann attends a press conference before an official training session the day before the group G World Cup soccer match between Ghana and the United States at the Arena das Dunas in Natal, Brazil, Sunday, June 15, 2014. (AP Photo/Dolores Ochoa)

    United States' head coach Jurgen Klinsmann attends a press conference before an official training session the day before the group G World Cup soccer match between Ghana and the United States at the Arena das Dunas in Natal, Brazil, Sunday, June 15, 2014. (AP Photo/Dolores Ochoa)  (The Associated Press)