Alexa Schirtzinger Check out more photos from the auction in our slideshow.In front of a room at SMU's Meadows School of the Arts crammed with fine art and well-dressed folks sipping coffee, Ismail Omer gingerly approached a microphone. "I left Sudan in 1994," he began "I had friends who died in jail. I realized, I have to leave, or I die." Omer smoothed his pressed button-down shirt and started to explain the conflict in his native Darfur, a subject that quickly got complicated. Almost as soon