The Mikati and Hariri families alone have 15% of the all the private wealth. Read more about it . At least 48 percent of Lebanon's privately-held wealth is concentrated in the hands of some 8,900 citizens — just 0.3 percent of the adult population — according to calculations based on a new report. The nation's staggering wealth inequality is detailed in Credit Suisse's Global Wealth Databook 2013, released last week. The distorted wealth figures help…