Activist’s Twitter comment mistakenly says Efrat wine is produced in the West Bank; Israel supporters rush to buy bottles AMSTERDAM (JTA) — As a supporter of boycotting Israel, Mieke Zagt had no intention of marketing Israeli wine when she tweeted a picture of bottles on sale at the Dutch supermarket chain, Hema. But her tweet, meant to protest the sale, prompted Israel supporters in the Netherlands to mount a social media reaction so successful that the wines sold out at the Hema stores and the campaign became the No. 1 trending topic Tuesday on Dutch Twitter. The opening shot for the #tipvanMieke...