BERLIN (AP) — German authorities are investigating a video showing a man in neo-Nazi clothing handing balloons to kindergartners a day after the country’s main far-right party won control of a county administration. The video was taken Monday in front of a kindergarten in Sonneberg county, according to regional lawmaker Katharina Koenig-Preuss of the Left party. The video, which was posted on social media Tuesday and could not immediately be independently verified, shows a man in a T-shirt depicting a Nazi-era soldier and the words “Wehrmacht wieder mit?” on the back. The phrase is a play on words that roughly...