WASHINGTON (TNND) — A new wave of strikes from the Houthis, a Yemen-based fundamentalist rebel group, is raising concern about a widening war between the U.S., Israel and Iran.The Houthis are a Shia Islamist group from northern Yemen. They’ve joined Iran in the latest round of fighting, launching missile and drone attacks toward southern Israel and opening a new front in an already widening regional war.The Houthis’ historyThe group began in the 1990s as a religious movement aimed at promoting the Shia faith, which had long been politically marginalized in Yemen. Over time, it evolved into an armed rebellion.TEHRAN, IRAN…