US Ambassador Amy Gutmann is leaving Germany in the summer for personal reasons. The 74-year-old wants to join her husband, who has to return due to his professional commitments, US Embassy spokeswoman Elisabeth Rosenstock-Siller told dpa late on Monday evening. She had informed her staff and colleagues in the German government of her decision to return to the United States this summer. Gutmann, a former professor of political science, has been ambassador in Berlin since February 2022. The multi-award-winning political scientist with German-Jewish roots had previously been president of the ren…