In this Saturday, Aug. 6, 2016 file photo, Republican presidential nominee Donald Trump speaks during a campaign rally at Windham High School, in Windham, N.H. Trump is focusing his economic message on boosting jobs and making the country more competitive on a global stage by cutting business taxes, reducing regulations and increasing domestic energy production. With a speech Monday, Aug. 8, to the prestigious Detroit Economic Club, Trump seeks to reset his campaign and delve into a subject - the economy - that is seen as one of his strengths. (AP Photo/Evan Vucci, File)