Found this on Metafilter today:
http://digitaljournalist.org/issue0810/callie-intro.html

There's
an article about the photojournalist, Callie Shell, linked there, but the highlight is
her series of photos of Obama (dating back from 2006) here.

I really liked some of these shots. To me, they just reinforce Obama's down to earth quality that really resonates with me.

A couple of my favorites: