U.S. envoy Tom Barrack has acknowledged the need to compel Israel to stop a lot of its combat operations in Lebanon and he is preparing to talk to Israel about a mechanism to rein in its combat operations and daily violations of Lebanese sovereignty, the pro-Hezbollah al-Akhbar newspaper quoted two Lebanese sources as saying, one of them close to one of the three presidents (Joseph Aoun, Nabih Berri and Nawaf Salam).