Mouaz Moustafa says Gabbard’s response to Assad’s atrocities is a worrisome sign of how she’d serve as director of national intelligence.As executive director of the Syrian Emergency Task Force, a nonprofit established to respond to attacks on civilians by former dictator Bashar al-Assad, Mouaz Moustafa has shared crucial information with the U.S. government about the war in Syria. But he isn’t sure he’d continue doing so if Tulsi Gabbard is confirmed as Donald Trump’s director of national intelligence. And it wouldn’t surprise him if U.S. allies around the world followed suit.“If Tulsi Gabbard is running our intelligence services, France, UK,...