JERUSALEM-Mossad chief Meir Dagan sees no reason to resign over a scandal-fraught assassination in Dubai, and Prime Minister Benjamin Netanyahu is unlikely to ask him to, a confidant of the Israeli spymaster said on Thursday.While Israel has declined to comment on the January 20 slaying of Hamas commander Mahmoud al-Mabhouh, the United Arab Emirates (UAE) named the suspected killers, including several who had copied the European passports of actual immigrants to Israel....