Billionaire industrial heir, Saad Hariri, who was appointed prime minister of Lebanon Iast June, ranks fifth.
Mr Mikati became prime minister after Hezbollah and its allies brought down the unity cabinet of Saad Hariri.
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He was named prime minister in 2011, replacing fellow billionaire Saad Hariri who lost his seat when Hezbollah members walked out of his cabinet.
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Many saw it as an embarrassment to Saad Hariri's ruling March 14 bloc, which had to grant major political concessions to Hezbollah to restore order to Beirut.
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"The wounds are deep, especially mine, but we only have each other, " said Lebanese parliamentary majority leader Saad Hariri, son of the killed former Lebanese Prime Minister Rafik Hariri.
But in reality that has proved impossible for Seyed Hassan Nasrallah, the leader of Hezbollah, and his main opposition in Lebanese politics, the March 14th faction led by former Prime Minister Saad Hariri.
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The first round of a four-stage general election in Lebanon was won in a landslide by lists of candidates endorsed by Saad Hariri, a son of Lebanon's assassinated former prime minister, Rafik Hariri.
They are often accused of working for Saad Hariri, Lebanon's former prime minister, once again an arch-enemy of Mr Assad, or for Prince Bandar bin Sultan, a Saudi who heads his country's national security council.
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French forces were the victim of two of those assaults and Lebanese Prime Minister Saad Hariri travelled to Paris last week in the hopes of convincing the French government not to remove French forces from the country.
Mr. Mikati, an affluent Sunni businessman, entered Lebanese politics in 2011 when the political faction allied with Hezbollah nominated him as prime minister after forcing the collapse of the secular, pro-Western government of former Prime Minister Saad Hariri.
Since then, Lebanon's two most prominent political blocs have been sharply divided in their attitude toward Syria: the ruling pro-Syria alliance led by Mikati and a group of anti-Syrian factions led by Saad Hariri, son of the assassinated former prime minister.
It is soon to issue an indictment of suspects in that string of assassinations, starting with the 2005 car bomb that killed Rafik Hariri, Lebanon's leading Sunni chieftain and a five-time prime minister, whose son Saad now holds that office.
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