Just a few off the top of my head...
Troops deployed in Iraq and Afghanistan.
See: Troops Deployed Abroad Give 6:1 to Obama
Nobel laureates.
See: 61 Nobel Laureates in Science Endorse Obama
Professional economists.
See: Survey: Economists Overwhelmingly Prefer Obama
Most people with graduate degrees.
See: Candidate Support by Education
General Petreaus
See: Petraeus Talk Bolsters Obama
