Democrat President Joe Biden’s U.S. Ambassador to Germany, Amy Gutmann, has returned to the United States just days after first reporting for duty during the Munich Security Conference, taking a commercial flight back to the States after Vice President Kamala Harris refused to let her fly home on Air Force Two. Gutmann, who presented her credentials just days ago — Thursday of last week — to begin work as the U.S. Ambassador to Germany, attended meetings at the Munich Security Conference with world leaders and fellow top U.S. officials, including Harris and Secretary of State Antony Blinken. Instead of staying...