The year 2014 represents the most troubling security challenges since 9/11. With the escalation of violent attacks by an expanding array of terrorist groups, such as the emerging "Islamic State," the questions arises whether the worst is yet to come. Without more effective international cooperation to combat terrorism, the costs to the global community will continue to grow in 2015. The latest military operations led by Saudi Arabia in concert with its Gulf allies against the Houthi rebels in Yemen demonstrate the emerging strategic partnership trend. The Inter-University Center for Terrorism Studies organized a panel of distinguished political, diplomatic, military, and academic experts to analyze last year's lessons, assess future threats, and offer "best practices" recommendations for the U.S. and its like-minded nations.