Caption: A hand out picture provided by the Hamas press office shows Palestinian president Mahmud Abbas (L) shaking hands with the exiled leader of the Palestinian Islamist movement Hamas, Khaled Meshaal (R) during their meeting in Cairo on December 21, 2011. Palestinian factions, led by the former rivals Hamas and Fatah meeting in Cairo are mulling ways to reactivate their national parliament, which has been paralysed since 2007 following the split between the West Bank and Gaza. AFP PHOTO/RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT &#34;AFP PHOTO /HAMAS PRESS OFFICE /MOHAMMED AL-HAMS &#34; - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS