Peter Aitken is a Newsweek Politics Editor based in New York. His focus is domestic U.S. politics, but he has experience covering Foreign Affairs, Business and Technology. Peter joined Newsweek in ...

GOP lawmaker says Republicans in his district aren't happy with Trump's handling of Russia and Ukraine ...

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A clinical trial is defined by NIH as a research study in which one or more human subjects are prospectively assigned to one or more interventions (which may include placebo or other control) to ...