WASHINGTON — The Trump administration said on Monday it launched two additional probes against Harvard University in its latest escalation against the Ivy League school and other top US universities. The US Education Department said its civil rights office “opened two new investigations into Harvard University amid allegations that it continues to discriminate against students on the basis of race, color, and national origin” in violation of federal law. The latest probes will look into whether Harvard uses race-based preferences in admissions after the US Supreme Court’s 2023 ruling that ended affirmative action in higher education, and into allegations of...