In the wake of the summer of 2006 war between Israel and Hezbollah and an armed domestic confrontation between Hezbollah and rival Lebanese groups in May 2008, Lebanon's political process is now intensely focused on Hezbollah's future role in the country. Hezbollah categorically refuses to recognise Israel's right to exist and opposes all concluded and pending efforts to negotiate resolutions to Arab-Israeli disputes on the basis of mutual recognition, including the Israeli-Palestininan conflict. This book examines the background and current issues of Hezbollah in Lebanon; U.S. security assistance to Lebanon and profiles testimony from the Senate Foreign Relations Subcommittee hearing on assessing the strength of Hezbollah for the future. and options.