captioning sponsored by newshour productions, llc >> woodruff: good evening and happy fourth of july. i'm judy woodruff. t onhe newshour this independence day, embattled environmentaprotection chief scott pruitt faces more ethics complaints. then, hundreds of thousands of syrians flee their homes as air stris slam into rebel-held areas. and, race matters: creating more diverse sitors and employees in our nation's nation parks. >> we need to see more brown people represented in the national park service. we need to see more languageste repres more culture. >> woodruff: all that and more on tonight's pbs newshour. >> major funding for the pbs newshour has been provided by: