jonathan samuels, sydney. >> there are reports that the leader of an egyptian terrorist cell is under arrest as the possible suspect in the deadly attack on the american consulate in 2011. four americans were killed in that attack including ambassador chris stevens. unnamed sources say ahmed was detained two weeks ago in egypt. both say ahmed admitted to traveling to libya and assisting ansar al sharei a group that officials suspect organized that attack. >> speaker: from egypt, president morsi rescinded a decree he issued last month that hugely expands his powers. the decree gave the president the power to make laws not subject to judicial reviews and following last night's protests, the egyptian military started to expand the barriers around the compound. >>> in venezuela president hugo chavez announced his casper has returned and plans to return to cuba for more surgery. it was just yesterday that chavez returned to caracas after undergoing treatment in havana. . >>> and in qatar, u.s. climate talks today ended with what some delegates call a watershed agreements. delegates from 20