washington president donald trump make fortune real estate run political office decide donate first-quarter salary 78,333 national park service white house announce monday presidential campaign trump say would donate 400,000 annual salary elect big deal tell town-hall style meet september 2015. interior secretary ryan zinke whose agency oversee 100-year-old protector 417 national park monuments sit say thrill trump decision go dedicate put infrastructure nation battlefields zinke say appear alongside white house spokesman sean spic daily brief 229 million behind defer maintenance battlefields alone zinke say trump donate first-quarter salary national park service