Hamas leader Khaled Mashaal set his sights on "liberating Palestine" upon his Friday arrival in the Gaza Strip, his first-ever visit to the Palestinian enclave.Laying out his hopes for future triumphant visits, Mashaal told cheering crowds, "Today is Gaza. Tomorrow will be Ramallah and after that Jerusalem then Haifa and Jaffa," Ma'an News Agency reported. According to the report, Mashaal referred to the Gaza visit as his "third birth"; his second birth, he said, was surviving an Israeli assassination attempt in Jordan in 1997."I pray to God that my fourth birth will come the day we liberate Palestine," he added.