A half-dozen transgender Idaho residents sued the state over its newly approved law banning opposite-sex use of public restrooms in government buildings and public accommodations, arguing that the “vague” and “discriminatory” law violates their constitutional rights. The American Civil Liberties Union and Lambda Legal filed the federal lawsuit on Wednesday, a month after Republican Gov. Brad Little signed into law House Bill 752, which makes it a criminal offense to “knowingly and willingly”