Kyrie Irving scored 13 points, DeMarcus Cousins powered a dominant performance in the paint, and the United States pulled away from Venezuela for an ugly 80-45 exhibition victory in Chicago on Friday night. Coming off three straight flashy victories in Las Vegas, Los Angeles and Oakland, the United States shot 42.4 percent from the field and committed 13 turnovers in by far its worst offensive performance of its five-city tour in preparation for next week’s Rio de Janeiro Olympics. Returning to Chicago for the first time with the U.S.