Lebanon's newly appointed Prime Minister Saad al-Hariri (L) pays respect with Lebanon's former Prime Minister Fouad Siniora (R) at the grave of assassinated former Lebanese Prime Minister Rafik al-Hariri in Beirut June 27, 2009. Lebanon's President Michel Suleiman appointed Hariri as prime minister-designate on Saturday, charging him with the tough task of forming a new government that would turn the page on four years of turmoil. Hariri said on Saturday he would seek forming a national unity government but warned his task would be difficult.