The fast-paced political earthquakes in the Middle East that we have been witnessing in recent weeks have one common denominator -- President Obama's influence in the region has shrunk to somewhere between a pittance and zero, while Iran's has been bolstered across the board.By his inability to shape events, Obama created a political vacuum that Iran's theocratic rulers are filling at an accelerating pace.Five examples should suffice:EGYPT--The Egyptian revolution has led to a perceptible warming of relations between Cairo and Tehran.  Once a bulwark against Iranian hegemonic ambitions, Egypt now is nurturing a warm detente with Iran -- and the ayatollahs are only too happy to respond in kind.  The Muslim Brotherhood, banned under Mubarak, is positioning itself as a major player in the new Egypt with an agenda bound to please Iran, while leaving Washington out in the cold..LIBYA--When the "Arab Spring" erupted and spread to Libya, Obama was...(Read Full Post)