WASHINGTON — A Michigan family with two toddlers and an infant was stranded in Yemen after being forced from its home by rebel gunmen. A California woman tried to flee through an arrangement with the embassy of Djibouti, but failed. A mother of four from New York also tried that route, at the State Department’s suggestion, only to hear the same reply: There would be no help. These accounts are among dozens presented in a lawsuit filed Thursday by Arab and Muslim civil rights groups seeking to force the Obama administration into taking action to bring home U.S. citizens who...