I found this on Kotaku, which directed me to Tor.com. Find it in full at the title link.
The job involves getting him something to eat, maybe playing a little basketball with him, and basically chatting and getting whatever he needs between important things. During the conversation, apparently Zero Wing came up.
You know, the Sega Genesis video game. I don't know how.
And apparently, my friend made the off-hand comment of "All your base are belong to us".
And Obama leaned forward in his chair, quirked his eyebrow a bit, and responded "What you say?"