The last time Gen. Michel Aoun and the now-imprisoned Christian warlord Samir Geagea faced each other, in 1990, more than 600 people were killed and more than 2,000 were wounded in one of the climactic battles of Lebanon’s long and bloody civil war. On Sunday, they faced off on campaign posters here and all over the central Mount Lebanon region, the steep, lush hills overlooking the Mediterranean, in the critical third phase of parliamentary elections that are being held on four successive Sundays, one for each region of the country. Full Story