The U.S. has stepped up its drone strikes in Yemen, according to officials in Yemen. The strikes come after Yemeni authorities said they foiled an al-Qaida plot targeting Western facilities in the south of the country and the U.S. shuttered many of its diplomatic missions in the Middle East and Africa. Analysts, however, have mixed views on whether the current U.S. policy in Yemen is working. VOA's Pamela Dockins has more.