Several National Security Council staffers were fired this week, people familiar with the matter said, as right-wing conspiracy theorist Laura Loomer alleged to President Trump that some members of his administration weren’t aligned with his priorities. Four NSC aides were fired overnight, the people said. Two other NSC aides were let go on Sunday, others familiar with the matter said. The staffers worked on a series of portfolios, including intelligence, India, congressional affairs and the impact of technology security, the people said. The exact reasons for the staffers’ ouster couldn’t immediately be determined. Two people added that this was just...