By Raghed Waked and Mahmoud HassanoBEIRUT, April 2 (Reuters) - Lebanese Prime Minister Nawaf Salam said on Thursday there was no end in sight to a war that had already displaced a million people over the last month, as families fleeing Israeli strikes said they were exhausted by repeated rounds of conflict.Lebanon is entering the second month of conflict between Iran-backed armed group Hezbollah and Israel, which has pledged to occupy swathes of southernLebanon as part of a "security zone" to pr...