become a safe haven for extremist groups. there is an uncomfortable quiet along the israeli/lebanese border after a weekend of artillery fire and threats as israeli officials say that the iran backed group hezbollah hit two idf targets including an israeli army base. no casualties were reported but the idf says it fired back with artillery shells and helicopter fire. it is the most serious cross border exchange in four years. after the attacks, lebanon's prime minister called on the u.s. and france to intervene. and in hong kong, pro democracy demonstrators disrupted public transportation as students took part in a citywide class boycott on their first day back to school. look at this. the demonstration comes just a weekend or a week rather after a tense weekend marked by some of the most violent clashes in the nearly three months of protests there. "the new york times" reports that tens of thousands of people