Having seized power in 1969, Libya's Moammar Khadafy is the doyen of Arab despots. Yet now he may face the same threat that toppled his personal friends (and fellow despots) in Tunisia and Egypt. The test will come tomorrow, when a coalition of opposition parties and personalities hopes to organize a "Day of Rage" against the maverick colonel's corrupt and repressive regime. The day marks the fifth anniversary of an uprising in the eastern cities of Benghazi, Al Bayda, Darna and Tobruk that was crushed by Khadafy's army with the help of a special unit sent by then-Tunisian President Zine...