Coffee entrepreneur Justin Yehuda is brewing more than a good cup of joe. He's caffeinating for a cause. The Tenafly native launched Iron Dome Coffee in March with the aim of "giving people a delicious way to support Israel," he said, adding that his java has a "strong taste" and "an aroma that fills the room." His subscription-based coffee company donates 18% of its profits to organizations that help Israelis who were injured by war or terrorist attacks, and to U.S. combat veterans who suffer from PTSD. Thus far, Iron Dome has donated four times to several nonprofits that support...