CAIRO - Egyptian business tycoon Naguib Sawiris asserted that the second Article of the Constitution, which says Islam is the main source of legislation, is the guarantee for national unity, local media reported on Thursday. Rallying support for "Free Egyptians", a Party he is to found, Sawiris started his tour with Upper Egyptian governorates. His party would include christian and muslim members, in addition to ex-figures of the National Democratic Party that played no part in spoiling political life under the Mubarak regime. In a crowd of 3000 people, Sawiris said ha had no reservations on a Muslim Brotherhood (MB) presidential candidate. He was not in favour of a Christian presidential candidate at least this term.