— President Barack Obama had an audience and megaphone that Republican challenger Mitt Romney could only envy: addressing an array of global leaders as the head of the world’s largest economic and military power.
It doesn’t get much more presidential-appearing than that.
Most U.S. chief executives come to enjoy their time upon the world stage, despite the ever-present laundry list of intractable problems.
They mostly don’t have to worry about a contentious Congress and they can ignore,…
